{{Short description|Japanese badminton player (born 1999)}} {{Use dmy dates|date=January 2023}} {{Infobox badminton player | name = Rin Iwanaga | image = | image_size = | caption = | birth_name = | country = Japan | birth_date = {{birth date and age|df=yes|1999|5|21}} | birth_place = [[Yanai, Yamaguchi]], Japan | residence = | height = 1.66 m | weight = | years_active = | handedness = Right | coach = [[Ding Qiqing|Kei Nakashima]] | event = Women's doubles | highest_ranking = 4 | date_of_highest_ranking = with [[Kie Nakanishi]], 11 March 2025 | current_ranking = 7 | date_of_current_ranking = with Kie Nakanishi, 21 April 2026 | medal_templates = {{MedalSport | Women's [[badminton]] }} {{MedalCountry | {{JPN}} }} {{MedalCompetition | [[BWF World Championships|World Championships]] }} {{MedalBronze | [[2025 BWF World Championships|2025 Paris]] | [[2025 BWF World Championships – Women's doubles|Women's doubles]] }} {{MedalCompetition | [[Sudirman Cup]] }} {{MedalBronze | [[2025 Sudirman Cup|2025 Xiamen]] | Mixed team }} {{MedalCompetition | [[Uber Cup]] }} {{MedalBronze | [[2026 Thomas & Uber Cup|2026 Horsens]] | Women's team }} {{MedalCompetition | [[Badminton Asia Championships|Asian Championships]] }} {{MedalSilver | [[2022 Badminton Asia Championships|2022 Manila]] | Women's doubles }} {{MedalCompetition | [[Badminton Asia Mixed Team Championships|Asia Mixed Team Championships]] }} {{MedalBronze | [[2025 Badminton Asia Mixed Team Championships|2025 Qingdao]] | Mixed team }} {{MedalCompetition | [[Badminton Asia Team Championships|Asia Team Championships]] }} {{MedalBronze | [[2024 Badminton Asia Team Championships|2024 Selangor]] | Women's team }} {{MedalCompetition | [[BWF World Junior Championships|World Junior Championships]] }} {{MedalBronze | [[2017 BWF World Junior Championships|2017 Yogyakarta]] | [[2017 BWF World Junior Championships – Teams event|Mixed team]] }} {{MedalCompetition | [[Badminton Asia Junior Championships|Asian Junior Championships]] }} {{MedalBronze | [[2017 Badminton Asia Junior Championships|2017 Jakarta]] | Mixed team }} | bwfbadminton_id = 88135 }}
{{nihongo|'''Rin Iwanaga'''|岩永 鈴|Iwanaga Rin|born 21 May 1999}} is a Japanese [[badminton]] player affiliated with the [[:ja: BIPROGY|BIPROGY]] team.<ref name="riniwanagaunisys">{{cite web |title=選手・スタッフ紹介|url=https://www.unisys.co.jp/com/sponsors/badminton/team/w/iwanaga.html |publisher=Unisys |access-date=7 November 2021 |language=ja}}</ref> Specializing in women's doubles with partner [[Kie Nakanishi]], she has won six [[BWF World Tour]] titles and achieved a career-high ranking of world No. 4 in March 2025.
Iwanaga's major achievements include a bronze medal at the [[2025 BWF World Championships|2025 World Championships]] in Paris and a silver medal at the [[2022 Badminton Asia Championships|2022 Asian Championships]] in Manila.<ref name="ac22">{{cite web |title=【バドミントン】山口茜アジア選手権シングルス連覇逃す ダブルス岩永鈴＆中西貴映組も準V |url=https://www.nikkansports.com/sports/news/202205010001364.html |publisher=Nikkan Sports |date=1 May 2022 |access-date=10 March 2025 |language=ja}}</ref> She and Nakanishi won their first BWF World Tour title at the [[2023 Syed Modi International]], and captured their first Super 750 title at the [[2024 Denmark Open]].<ref name="india23" /> The duo had a particularly successful 2024 season, winning five consecutive tournament finals. Iwanaga has also represented Japan in team competitions, winning bronze medals at the [[2025 Badminton Asia Mixed Team Championships|2025 Asia Mixed Team Championships]] and [[2025 Sudirman Cup|Sudirman Cup]].
== Career == === 2021 === In 2021, Iwanaga and Nakanishi reached their first Super 500 final at the [[2021 Hylo Open|Hylo Open]] in November. They were defeated by their compatriots, [[Chisato Hoshi]] and [[Aoi Matsuda]], securing runner-up position.<ref name="hylo21" /> Earlier that year, the pair won the [[Belgian International]]. They also competed in the [[2021 Indonesia Masters|Indonesia Masters]] (Super 750) and the [[2021 Indonesia Open|Indonesia Open]] (Super 1000) at the Indonesia Badminton Festival in Bali but were eliminated in the early rounds of both tournaments. In December, they made their [[2021 BWF World Championships – Women's doubles|World Championship]] debut held in Huelva, reaching the quarterfinals. By the end of the year, they entered the top 30 world rankings, reaching world No. 26.
=== 2022 === In 2022, Iwanaga and Nakanishi won a silver medal at the [[2022 Badminton Asia Championships|Asian Championships]] held in Manila, losing to the then-World No. 1 pair [[Chen Qingchen]] and [[Jia Yifan]] of China in the final.<ref name="ac22"/> In August, they participated in the [[2022 BWF World Championships – Women's doubles|World Championships]] held in Tokyo, where they were eliminated in the third round. Throughout their [[2022 BWF World Tour|2022 World Tour]] campaign, Iwanaga and Nakanishi experienced early-round losses for all tournaments they competed. They reached a then-new career-high ranking of world No. 15 as of 24 October 2022.
=== 2023: First BWF World Tour title, world No. 15 === In 2023, Iwanaga and Nakanishi won their first [[BWF World Tour]] title together at the [[2023 Syed Modi International|Syed Modi International]] (Super 300) in November.<ref name="india23" /> They also reached the semifinals of the [[2023 Arctic Open|Arctic Open]] and the [[2023 Denmark Open|Denmark Open]]. At the Denmark Open, they defeated two Chinese pairs, [[Liu Shengshu]] and [[Tan Ning (badminton)|Tan Ning]] in the second round and [[Zhang Shuxian]] and [[Zheng Yu]] in the quarterfinals, before they were defeated by another Chinese pair Chen Qingchen and Jia Yifan in the semifinals.<ref name="denmark23">{{cite web |last1=Kumar |first1=Prem |title=Denmark Open: 'Arctic Outing' Sparks Iwanaga/Nakanishi |url=https://bwfworldtour.bwfbadminton.com/news-single/2023/10/21/denmark-open-arctic-outing-sparks-iwanaga-nakanishi |publisher=Badminton World Federation |access-date=31 May 2025 |archive-url=https://web.archive.org/web/20231211101624/https://bwfworldtour.bwfbadminton.com/news-single/2023/10/21/denmark-open-arctic-outing-sparks-iwanaga-nakanishi/ |archive-date=11 December 2023 |date=21 October 2023}}</ref> Their 2023 season also included reaching the quarterfinals in five other tournaments: the [[2023 India Open|India Open]], the [[2023 Thailand Open (badminton)|Thailand Open]], the [[2023 Singapore Open (badminton)|Singapore Open]], the [[2023 Korea Open (badminton)|Korea Open]], and the [[2023 Australian Open (badminton)|Australia Open]]. They finished the year by returning to a world ranking of No. 15, after their ranking had dropped to No. 26 earlier in the year.
=== 2024 === In 2024, Iwanaga and Nakanishi reached the quarterfinals of the [[2024 Malaysia Open (badminton)|Malaysia Open]] in January by defeating third seeds, [[Kim So-yeong]] and [[Kong Hee-yong]], marking their first quarterfinal appearance at a Super 1000 tournament.<ref name="maso24">{{cite web |last=Kumar |first=Prem |title=Malaysia Open: Iwanaga/nakanishi Thump Another Barrier |url=https://bwfworldtour.bwfbadminton.com/news-single/2024/01/11/malaysia-open-iwanaga-nakanishi-thump-another-barrier/ |publisher=Badminton World Federation |date=11 January 2024 |access-date=28 October 2024}}</ref> They won their first Super 750 title at the [[2024 Denmark Open|Denmark Open]] in October. This win was their fifth consecutive tournament final victory in 2024, following titles at the [[2024 Spain Masters|Spain Masters]],<ref name="spain24" /> [[2024 Malaysia Masters|Malaysia Masters]],<ref name="malaysia24" /> [[2024 U.S. Open (badminton)|U.S. Open]],<ref name="us24" /> and [[2024 Canada Open|Canada Open]].<ref name="canada24" /> En route to the Denmark Open title, they defeated [[Baek Ha-na]] and [[Lee So-hee]] in the semifinals, achieving their first win against that pair.<ref name="den24a">{{cite web |last=Pierre |first=Dianne |title=Denmark Open: Danes 'Desperate to Make Chance Count' |url=https://bwfworldtour.bwfbadminton.com/news-single/2024/10/20/denmark-open-danes-desperate-to-make-chance-count/ |publisher=Badminton World Federation |date=20 October 2024 |access-date=23 October 2024}}</ref> In the final, they beat the [[Badminton at the 2024 Summer Olympics#Medalists|Paris 2024 Olympic]] silver medalists and then-world No. 1 pair [[Liu Shengshu]] and [[Tan Ning (badminton)|Tan Ning]] (21–18, 21–14). This victory solidified their position as the second-ranked pair in the BWF World Tour Finals rankings and was their second win over Liu and Tan in three encounters.<ref name="denmark24" /> They also competed in the [[2024 BWF World Tour Finals|BWF World Tour Finals]] in December but were eliminated in the round-robin stage. They reached a new career-high ranking of world No. 5 as of 4 November.
=== 2025 === Iwanaga began the 2025 season recovering from injuries suffered in late 2024. She injured her right shoulder in November 2024, followed by a torn abdominal muscle.<ref>{{cite web |title=[Asian Tour] 'I was able to play without injury for the first time in a while, which made it a very enjoyable tournament' (Iwanaga) <Return Home Comments - Part 2> |url=https://www.badspi.jp/202506091504/ |publisher=Badminton Spirit |access-date=9 June 2025 |archive-url=https://archive.today/20250609065637/https://www.badspi.jp/202506091504/ |archive-date=9 June 2025 |language=ja |date=9 June 2025}}</ref> Despite these injuries, Iwanaga and Nakanishi reached the final of the [[2025 Singapore Open (badminton)|Singapore Open]] (Super 750) in June, finishing as runners-up to [[Kim Hye-jeong]] and [[Kong Hee-yong]] of South Korea.<ref name="singapore25" /> They also reached the quarterfinals at the [[2025 All England Open|All England Open]] in March, the [[2025 Badminton Asia Championships|Asian Championships]] in April, and the [[2025 Indonesia Open|Indonesia Open]] in June.<ref name="inaop25">{{cite web |last=Sukumar |first=Dev |title=Indonesia Open: Late Twist Dents Malaysia’s Day |url=https://bwfworldtour.bwfbadminton.com/news-single/2025/06/06/indonesia-open-late-twist-dents-malaysias-day |website=Badminton World Federation |access-date=23 April 2026 |archive-url=https://web.archive.org/web/20250802140943/https://bwfworldtour.bwfbadminton.com/news-single/2025/06/06/indonesia-open-late-twist-dents-malaysias-day/ |archive-date=2 August 2025 |date=6 June 2025 |url-status=live}}</ref> Iwanaga and Nakanishi reached a new career-high ranking of World No. 4 on 11 March. Additionally, Iwanaga was also part of the Japanese teams that won bronze medals at the [[2025 Badminton Asia Mixed Team Championships|Asia Mixed Team Championships]] in February and the [[2025 Sudirman Cup|Sudirman Cup]] in April.<ref name="bamtc25">{{cite web |title=China Charges into BAMTC 2025 Finals After Epic Showdown Against Japan |url=https://badmintonasia.org/2025/02/16/china-charges-into-bamtc-2025-finals-after-epic-showdown-against-japan-2/ |publisher=Badminton Asia |access-date=12 June 2025 |archive-url=https://archive.today/20250512152352/https://badmintonasia.org/2025/02/16/china-charges-into-bamtc-2025-finals-after-epic-showdown-against-japan-2/ |archive-date=12 May 2025 |date=16 February 2025}}</ref><ref name="sudirman25">{{cite web |title=Defending champions China power past Japan to reach Sudirman Cup final |url=https://www.nst.com.my/sports/badminton/2025/05/1210914/defending-champions-china-power-past-japan-reach-sudirman-cup-final |website=nst.com.my |publisher=New Straits Times Press (M) Bhd. |access-date=12 June 2025 |date=3 May 2025}}</ref>
== Personal life == Iwanaga married on 5 February 2026.<ref>{{Cite Instagram |user=rin.iwng521 |postid=DUh8GelEj-3 |date=9 February 2026 |title=5 February 2026: We got married! |access-date=9 February 2026}}</ref><ref>{{cite web |title=Badminton women's doubles player Rin Iwanaga announces marriage |url=https://the-ans.jp/news/631946/2/?utm_source=yahoonews&utm_medium=rss&utm_campaign=631946_6 |website=The Answer |access-date=9 February 2026 |language=ja |date=9 February 2026}}</ref>
== Achievements == === World Championships === ''Women's doubles'' {| class="sortable wikitable" style="font-size: 90%" ! Year ! Venue ! Partner ! Opponent ! Score ! Result ! Ref |- style="background:#F3E6D7" | align="center" | [[2025 BWF World Championships – Women's doubles|2025]] | align="left" | [[Adidas Arena]], [[Paris]], France | align="left" | {{flagicon|JPN}} [[Kie Nakanishi]] | align="left" | {{flagicon|CHN}} [[Liu Shengshu]]<br />{{flagicon|CHN}} [[Tan Ning (badminton)|Tan Ning]] | align="left" | 15–21, 4–21 | style="text-align:left; background:white" | [[File:Med 3.png|Bronze]] '''Bronze''' | style="text-align:center; background:white" | <ref name="worldchamp25">{{cite web |last1=Nishimura |first1=Chiaki |last2=Penicaud |first2=Céline |title=Kie Nakanishi & Rin Iwanaga defeated by World No. 1, secure bronze medal in women's doubles at the 2025 World Championships; 'This will be a bigger experience than the medal'. |url=https://www.olympics.com/ja/news/badminton-world-championships-2025-nakanishi-iwanaga-result |website=International Olympic Committee |access-date=12 September 2025 |archive-url=https://web.archive.org/web/20250912115848/https://www.olympics.com/ja/news/badminton-world-championships-2025-nakanishi-iwanaga-result |archive-date=12 September 2025 |language=ja |date=30 August 2025 |url-status=live}}</ref> |}
=== Asian Championships === ''Women's doubles'' {| class="sortable wikitable" style="font-size: 90%;" ! Year ! Venue ! Partner ! Opponent ! Score ! Result ! Ref |- style="background:#ECF2FF" | align="center" | [[2022 Badminton Asia Championships#Finals 4|2022]] | align="left" | Muntinlupa Sports Complex,<br />[[Metro Manila]], Philippines | align="left" | {{flagicon|JPN}} [[Kie Nakanishi]] | align="left" | {{flagicon|CHN}} [[Chen Qingchen]]<br />{{flagicon|CHN}} [[Jia Yifan]] | align="left" | 11–21, 15–21 | style="text-align:left; background:white" | [[File:Med 2.png|Silver]] '''Silver''' | style="text-align:center; background:white" | <ref name="ac22"/> |}
=== BWF World Tour (6 titles, 8 runners-up) === The BWF World Tour, which was announced on 19 March 2017 and implemented in 2018,<ref>{{cite web |last=Alleyne |first=Gayle |title=BWF Launches New Events Structure |url=http://bwfbadminton.com/news-single/2017/03/19/bwf-launches-new-event-structure/ |publisher=[[Badminton World Federation]] |date=19 March 2017 |access-date=29 November 2017 |url-status=dead |archive-url=https://web.archive.org/web/20171201164159/http://bwfbadminton.com/news-single/2017/03/19/bwf-launches-new-event-structure/ |archive-date=1 December 2017}}</ref> is a series of elite badminton tournaments sanctioned by the [[Badminton World Federation]] (BWF). The BWF World Tour is divided into levels of World Tour Finals, Super 1000, Super 750, Super 500, Super 300 (part of the HSBC World Tour), and the BWF Tour Super 100.<ref>{{cite web |last=Sukumar |first=Dev |title=Action-Packed Season Ahead! |url=http://bwfworldtour.com/news-single/2018/01/10/action-packed-season-ahead/ |publisher=Badminton World Federation |date=10 January 2018 |access-date=15 January 2018 |url-status=live |archive-url=https://web.archive.org/web/20180113162925/http://bwfworldtour.com/news-single/2018/01/10/action-packed-season-ahead/ |archive-date=13 January 2018}}</ref>
''Women's doubles'' {| class="sortable wikitable" style="font-size: 90%;" ! Year ! Tournament ! Level ! Partner ! Opponent ! Score ! Result ! Ref |- | align="center" | [[2019 Dutch Open (badminton)#Finals 4|2019]] | align="left" | [[Dutch Open (badminton)|Dutch Open]] | align="left" | Super 100 | align="left" | {{flagicon|JPN}} [[Kie Nakanishi]] | align="left" | {{flagicon|BUL}} [[Gabriela Stoeva]]<br />{{flagicon|BUL}} [[Stefani Stoeva]] | align="left" | 10–21, 20–22 | style="text-align:left; background:white" | '''{{silver2}} Runner-up''' | style="text-align:center; background:white" | <ref name="dutch19">{{cite web |title=Result: Dutch Open 2019 |url=https://www.badminton.or.jp/games/2019/netherlands/2019.html#day6 |publisher=Nippon Badminton Association |access-date=1 June 2025 |archive-url=https://archive.today/20250601080345/https://www.badminton.or.jp/games/2019/netherlands/2019.html%23day6 |archive-date=1 June 2025 |language=ja |date=13 October 2019}}</ref> |- | align="center" | [[2021 Hylo Open#Finals 4|2021]] | align="left" | [[Hylo Open]] | align="left" | Super 500 | align="left" | {{flagicon|JPN}} Kie Nakanishi | align="left" | {{flagicon|JPN}} [[Chisato Hoshi]]<br />{{flagicon|JPN}} [[Aoi Matsuda]] | align="left" | 20–22, 18–21 | style="text-align:left; background:white" | '''{{silver2}} Runner-up''' | style="text-align:center; background:white" | <ref name="hylo21">{{cite web |last1=Tulloch |first1=Ashlee |title=Loh Kean Yew wins biggest career title at Hylo Open 2021 as Lee Zii Jia retires injured |url=https://www.olympics.com/en/news/loh-kean-yew-wins-biggest-career-title-hylo-open-2021 |publisher=International Olympic Committee |access-date=31 May 2025 |archive-url=https://archive.today/20250531131015/https://www.olympics.com/en/news/loh-kean-yew-wins-biggest-career-title-hylo-open-2021 |archive-date=31 May 2025 |date=8 November 2021}}</ref> |- | align="center" | [[2023 Syed Modi International#Finals 4|2023]] | align="left" | [[Syed Modi International Badminton Championships|Syed Modi International]] | align="left" | Super 300 | align="left" | {{flagicon|JPN}} Kie Nakanishi | align="left" | {{flagicon|IND}} [[Tanisha Crasto]]<br />{{flagicon|IND}} [[Ashwini Ponnappa]] | align="left" | 21–14, 17–21, 21–15 | style="text-align:left; background:white" | '''{{gold1}} Winner''' | style="text-align:center; background:white" | <ref name="india23">{{cite web |title=Ponnappa-Crasto lose to Japan's Iwanga-Nakanishi in final |url=https://scroll.in/field/1060010/badminton-syed-modi-international-ponnappa-crasto-lose-to-japans-iwanga-nakanishi-in-final |publisher=[[Scroll.in|Scroll]] |access-date=31 May 2025 |archive-url=https://web.archive.org/web/20250319182230/https://scroll.in/field/1060010/badminton-syed-modi-international-ponnappa-crasto-lose-to-japans-iwanga-nakanishi-in-final |archive-date=19 March 2025 |date=3 December 2023}}</ref> |- | align="center" | [[2024 Spain Masters#Finals 4|2024]] | align="left" | [[Spain Masters]] | align="left" | Super 300 | align="left" | {{flagicon|JPN}} Kie Nakanishi | align="left" | {{flagicon|INA}} [[Febriana Dwipuji Kusuma]]<br />{{flagicon|INA}} [[Amallia Cahaya Pratiwi]] | align="left" | 12–21, 21–8, 21–16 | style="text-align:left; background:white" | '''{{gold1}} Winner''' | style="text-align:center; background:white" | <ref name="spain24">{{cite web |title=Competition at its best at the Madrid Spain Masters by Iberdrola |url=https://madridspainmasters.com/en/competition-at-its-best-at-the-madrid-spain-masters-by-iberdrola/ |publisher=Madrid Spain Masters |access-date=23 June 2025 |archive-url=https://archive.today/20250623144157/https://madridspainmasters.com/en/competition-at-its-best-at-the-madrid-spain-masters-by-iberdrola/ |archive-date=23 June 2025 |date=31 March 2024}}</ref> |- | align="center" | [[2024 Malaysia Masters#Finals 4|2024]] | align="left" | [[Malaysia Masters]] | align="left" | Super 500 | align="left" | {{flagicon|JPN}} Kie Nakanishi | align="left" | {{flagicon|KOR}} [[Lee Yu-lim]]<br />{{flagicon|KOR}} [[Shin Seung-chan]] | align="left" | 17–21, 21–19, 21–18 | style="text-align:left; background:white" | '''{{gold1}} Winner''' | style="text-align:center; background:white" | <ref name="malaysia24">{{cite web |last=Tan |first=Ming Wai |title=Mighty Axelsen beats spirited Zii Jia in epic Malaysia Masters final |url=https://www.nst.com.my/sports/badminton/2024/05/1055652/mighty-axelsen-beats-spirited-zii-jia-epic-malaysia-masters-final |publisher=New Straits Times |archive-url=https://archive.today/20250623144752/https://www.nst.com.my/sports/badminton/2024/05/1055652/mighty-axelsen-beats-spirited-zii-jia-epic-malaysia-masters-final |archive-date=23 June 2025 |date=26 May 2024 |access-date=23 June 2025}}</ref> |- | align="center" | [[2024 U.S. Open (badminton)#Finals 4|2024]] | align="left" | [[U.S. Open Badminton Championships|U.S. Open]] | align="left" | Super 300 | align="left" | {{flagicon|JPN}} Kie Nakanishi | align="left" | {{flagicon|THA}} [[Laksika Kanlaha]] <br />{{flagicon|THA}} [[Phataimas Muenwong]] | align="left" | 21–19, 21–15 | style="text-align:left; background:white" | '''{{gold1}} Winner''' | style="text-align:center; background:white" | <ref name="us24">{{cite web |title=US Open: Nidaira Wins Thriller; Double for Teeraratsakul |url=https://bwfworldtour.bwfbadminton.com/news-single/2024/07/01/us-open-nidaira-wins-thriller-double-for-teeraratsakul/ |publisher=Badminton World Federation |access-date=31 May 2025 |archive-url=https://archive.today/20250531132527/https://bwfworldtour.bwfbadminton.com/news-single/2024/07/01/us-open-nidaira-wins-thriller-double-for-teeraratsakul/ |archive-date=31 May 2025 |date=1 July 2024}}</ref> |- | align="center" | [[2024 Canada Open#Finals 4|2024]] | align="left" | [[Canada Open]] | align="left" | Super 500 | align="left" | {{flagicon|JPN}} Kie Nakanishi | align="left" | {{flagicon|TPE}} [[Hsu Yin-hui]] <br />{{flagicon|TPE}} [[Lin Jhih-yun]] | align="left" | 21–13, 21–13 | style="text-align:left; background:white" | {{gold1}} '''Winner''' | style="text-align:center; background:white" | <ref name="canada24">{{cite web |last1=Sukumar |first1=Dev |title=Canada Open: 'Dream Come True' |url=https://bwfworldtour.bwfbadminton.com/news-single/2024/07/08/canada-open-dream-come-true/ |publisher=Badminton World Federation |access-date=31 May 2025 |archive-url=https://archive.today/20250531132107/https://bwfworldtour.bwfbadminton.com/news-single/2024/07/08/canada-open-dream-come-true/ |archive-date=31 May 2025 |date=8 July 2024}}</ref> |- | align="center" | [[2024 Denmark Open#Finals 4|2024]] | align="left" | [[Denmark Open]] | align="left" | Super 750 | align="left" | {{flagicon|JPN}} Kie Nakanishi | align="left" | {{flagicon|CHN}} [[Liu Shengshu]] <br />{{flagicon|CHN}} [[Tan Ning (badminton)|Tan Ning]] | align="left" | 21–18, 21–14 | style="text-align:left; background:white" | {{gold1}} '''Winner''' | style="text-align:center; background:white" | <ref name="denmark24">{{cite web |last1=Pierre |first1=Dianne |last2=Kumar |first2=Prem |title=Denmark Open: Iwanaga/Nakanishi Step Forward for Japan |url=https://bwfworldtour.bwfbadminton.com/news-single/2024/10/22/denmark-open-iwanaga-nakanishi-step-forward-for-japan/ |publisher=Badminton World Federation |access-date=31 May 2025 |archive-url=https://archive.today/20250531131605/https://bwfworldtour.bwfbadminton.com/news-single/2024/10/22/denmark-open-iwanaga-nakanishi-step-forward-for-japan/ |archive-date=31 May 2025 |date=22 October 2024}}</ref> |- | align="center" | [[2025 Singapore Open (badminton)#Finals 4|2025]] | align="left" | [[Singapore Open (badminton)|Singapore Open]] | align="left" | Super 750 | align="left" | {{flagicon|JPN}} Kie Nakanishi | align="left" | {{flagicon|KOR}} [[Kim Hye-jeong]] <br />{{flagicon|KOR}} [[Kong Hee-yong]] | align="left" | 16–21, 14–21 | style="text-align:left; background:white" | '''{{silver2}} Runner-up''' | style="text-align:center; background:white" | <ref name="singapore25">{{cite web |title=Thailand take two titles at Singapore Open 2025 |url=https://badmintonasia.org/2025/06/02/thailand-take-two-titles-at-singapore-open-2025/ |publisher=Badminton Asia |access-date=24 June 2025 |archive-url=https://archive.today/20250624182555/https://badmintonasia.org/2025/06/02/thailand-take-two-titles-at-singapore-open-2025/ |archive-date=24 June 2025 |date=2 June 2025}}</ref> |- | align="center" | [[2025 Hong Kong Open (badminton)#Finals 4|2025]] | align="left" | [[Hong Kong Open (badminton)|Hong Kong Open]] | align="left" | Super 500 | align="left" | {{flagicon|JPN}} Kie Nakanishi | align="left" | {{flagicon|CHN}} [[Jia Yifan]]<br />{{flagicon|CHN}} [[Zhang Shuxian]] | align="left" | 15–21, 17–21 | style="text-align:left; background:white" | '''{{silver2}} Runner-up''' | style="text-align:center; background: white" | <ref name="hk25">{{cite web |last1=Horng |first1=Pengly |title=Badminton star Li leads all-China sweep at Hong Kong Open - Khmer Times |url=https://www.khmertimeskh.com/501757326/badminton-star-li-leads-all-china-sweep-at-hong-kong-open/ |website=Khmer Times |access-date=15 September 2025 |date=15 September 2025}}</ref> |- | align="center" | [[2025 Korea Open (badminton)#Finals 4|2025]] | align="left" | [[Korea Open (badminton)|Korea Open]] | align="left" | Super 500 | align="left" | {{flagicon|JPN}} Kie Nakanishi | align="left" | {{flagicon|KOR}} Kim Hye-jeong<br />{{flagicon|KOR}} Kong Hee-yong | align="left" | 19–21, 12–21 | style="text-align:left; background: white" | '''{{silver2}} Runner-up''' | style="text-align:center; background: white" | <ref name="korea25">{{cite web |title=Korea Open: Yamaguchi Eclipses Home Icon |url=https://bwfworldtour.bwfbadminton.com/news-single/2025/09/28/korea-open-yamaguchi-eclipses-home-icon/ |website=Badminton World Federation |access-date=28 September 2025 |archive-url=https://web.archive.org/web/20250928161311/https://bwfworldtour.bwfbadminton.com/news-single/2025/09/28/korea-open-yamaguchi-eclipses-home-icon/ |archive-date=28 September 2025 |date=28 September 2025 |url-status=live}}</ref> |- | align="center" | [[2025 Arctic Open#Finals 4|2025]] | align="left" | [[Arctic Open]] | align="left" | Super 500 | align="left" | {{flagicon|JPN}} Kie Nakanishi | align="left" | {{flagicon|MAS}} [[Pearly Tan]]<br />{{flagicon|MAS}} [[Thinaah Muralitharan]] | align="left" | 7–21, 9–21 | style="text-align:left; background: white" | {{silver2}} '''Runner-up''' | style="text-align:center; background: white" | <ref name="arc25">{{cite web |last1=Parkaran |first1=K. |title=Pearly-Thinaah become first Malaysian duo to lift Arctic Open crown |url=https://www.freemalaysiatoday.com/category/nation/2025/10/12/pearly-thinaah-become-first-malaysian-duo-to-lift-arctic-open-crown |website=Free Malaysia Today {{!}} FMT |publisher=FMT Media Sdn. Bhd |access-date=12 October 2025 |language=en |date=12 October 2025}}</ref> |- | align="center" | [[2025 Japan Masters#Finals 4|2025]] | align="left" | [[Japan Masters (badminton)|Japan Masters]] | align="left" | Super 500 | align="left" | {{flagicon|JPN}} Kie Nakanishi | align="left" | {{flagicon|MAS}} Pearly Tan<br />{{flagicon|MAS}} Thinaah Muralitharan | align="left" | 20–22, 19–21 | style="text-align:left; background: white" | {{silver2}} '''Runner-up''' | style="text-align:center; background: white" | <ref name="jpnm25">{{cite web |last1=Parkaran |first1=K. |title=Pearly-Thinaah clinch Kumamoto Masters for 3rd title this year |url=https://www.freemalaysiatoday.com/category/nation/2025/11/16/pearly-thinaah-clinch-kumamoto-masters-3rd-title-this-year |website=Free Malaysia Today {{!}} FMT |publisher=FMT Media Sdn Bhd |access-date=16 November 2025 |language=en |date=16 November 2025}}</ref> |- | align="center" | [[2026 Thailand Open (badminton)#Finals 4|2026]] | align="left" | [[Thailand Open (badminton)|Thailand Open]] | align="left" | Super 500 | align="left" | {{flagicon|JPN}} Kie Nakanishi | align="left" | {{flagicon|CHN}} [[Bao Lijing]]<br />{{flagicon|CHN}} [[Cao Zihan]] | align="left" | 21–19, 16–21, 19–21 | style="text-align:left; background: white" |{{silver2}} '''Runner-up''' | style="text-align:center; background: white" | <ref name="tha26">{{cite web |title=Thailand Open 2026: Antonsen beats Vitidsarn to win men’s singles title; Yamaguchi clinches women’s crown |url=https://sportstar.thehindu.com/badminton/thailand-open-2026-winners-antonsen-vs-vitidsarn-yamaguchi-score-results-badminton-news/article70990249.ece |website=Sportstar |access-date=17 May 2026 |archive-url=https://web.archive.org/web/20260517140019/https://sportstar.thehindu.com/badminton/thailand-open-2026-winners-antonsen-vs-vitidsarn-yamaguchi-score-results-badminton-news/article70990249.ece |archive-date=17 May 2026 |date=17 May 2026 |url-status=live}}</ref> |}
=== BWF International Challenge/Series (3 titles) === ''Women's doubles'' {| class="sortable wikitable" style="font-size: 90%;" ! Year ! Tournament ! Partner ! Opponent ! Score ! Result ! Ref |- style="background:#D8CEF6" | align="center" | 2019 | align="left" | [[South Australia International]] | align="left" | {{flagicon|JPN}} [[Kie Nakanishi]] | align="left" | {{flagicon|AUS}} [[Setyana Mapasa]]<br />{{flagicon|AUS}} [[Gronya Somerville]] | align="left" | 21–15, 19–21, 21–9 | style="text-align:left; background:white" | {{gold1}} '''Winner''' | style="text-align:center; background:white" | <ref name="australia19">{{cite web |title=Final highlights from the South Australia International 2019 |url=https://badmintonoceania.org/3877-2/ |publisher=Badminton Oceania |access-date=1 June 2025 |archive-url=https://archive.today/20221221112423/https://badmintonoceania.org/3877-2/ |archive-date=21 December 2022}}</ref> |- style="background:#D8CEF6" | align="center" | 2019 | align="left" | [[Dubai International (badminton)|Dubai International]] | align="left" | {{flagicon|JPN}} Kie Nakanishi | align="left" | {{flagicon|DEN}} [[Alexandra Bøje]]<br />{{flagicon|DEN}} [[Mette Poulsen]] | align="left" | 18–21, 21–15, 21–17 | style="text-align:left; background:white" | {{gold1}} '''Winner''' | style="text-align:center; background:white" | <ref name="dubai19">{{cite web |last1=Kawamae |first1=Naoki |title=Result: Dubai International Challenge 2019 |url=https://www.badminton.or.jp/games/2019/dubai/2019.html#day5 |publisher=Nippon Badminton Association |access-date=1 June 2025 |archive-url=https://archive.today/20250601074342/https://www.badminton.or.jp/games/2019/dubai/2019.html%23day5 |archive-date=1 June 2025 |language=ja |date=20 October 2019}}</ref> |- style="background:#D8CEF6" | align="center" | 2021 | align="left" | [[Belgian International]] | align="left" | {{flagicon|JPN}} Kie Nakanishi | align="left" | {{flagicon|SCO}} [[Julie MacPherson]]<br />{{flagicon|SCO}} [[Ciara Torrance]] | align="left" | 21–12, 21–15 | style="text-align:left; background:white" | {{gold1}} '''Winner''' | style="text-align:center; background:white" | <ref name="belgium211">{{cite web |title=[Belgian International] Riko Gunji wins the women's singles! Japan B Team wins in three events! <Results of the Japanese athletes> |url=https://www.badspi.jp/202110311500/ |publisher=Badminton Spirit |access-date=24 June 2025 |archive-url=https://web.archive.org/web/20250409184937/https://www.badspi.jp/202110311500/ |archive-date=9 April 2025 |language=ja |date=31 October 2021}}</ref><ref name="belgium212">{{cite web |title=[Belgian International 2021] Pramudya/Yeremia Win Champion Title |url=https://pbdjarum.org/berita/turnamen-internasional/20211031-belgian-international-2021-pramudyayeremia-raih-gelar-juara |publisher=PB Djarum |access-date=24 June 2025 |archive-url=https://web.archive.org/web/20250409185016/https://pbdjarum.org/berita/turnamen-internasional/20211031-belgian-international-2021-pramudyayeremia-raih-gelar-juara |archive-date=9 April 2025 |language=id |date=31 October 2021}}</ref> |} : {{Color box|#D8CEF6|border=darkgray}} [[BWF International Challenge]] tournament
=== BWF Junior International (3 runners-up) === ''Girls' doubles'' {| class="sortable wikitable" style="font-size: 90%;" ! Year ! Tournament ! Partner ! Opponent ! Score ! Result ! Ref |- style="background:#AE9C45" | align="center" | 2017 | align="left" | German Junior | align="left" | {{flagicon|JPN}} [[Natsu Saito]] | align="left" | {{flagicon|KOR}} [[Kim Min-ji (badminton)|Kim Min-ji]]<br />{{flagicon|KOR}} [[Seong Ah-yeong]] | align="left" | 16–21, 14–21 | style="text-align:left; background:white" | {{silver2}} '''Runner-up''' | style="text-align:center; background:white" | <ref name="germanjr17">{{cite web |last1=Myojin |first1=Kenichi |title=German Junior Championships 2017 {{!}} Reports |url=http://www.badminton.or.jp/2016/ger_jr/index.htm |website=Nippon Badminton Association |access-date=23 December 2025 |archive-url=https://web.archive.org/web/20170613224153/http://www.badminton.or.jp/2016/ger_jr/index.htm |archive-date=13 June 2017 |language=ja |date=12 March 2017}}</ref> |}
''Mixed doubles'' {| class="sortable wikitable" style="font-size: 90%;" ! Year ! Tournament ! Partner ! Opponent ! Score ! Result ! Ref |- style="background:#AE9C45" | align="center" | 2017 | align="left" | Dutch Junior | align="left" | {{flagicon|JPN}} Yunosuke Kubota | align="left" | {{flagicon|KOR}} [[Na Sung-seung]]<br />{{flagicon|KOR}} [[Seong Ah-yeong]] | align="left" | 21–19, 19–21, 14–21 | style="text-align:left; background:white" | {{silver2}} '''Runner-up''' | style="text-align:center; background:white" | <ref name="dutchjr17">{{cite web |last1=Myojin |first1=Kenichi |title=Dutch Junior Championships 2017 {{!}} Reports |url=http://badminton.or.jp/2016/hol_jr/index.htm |website=Nippon Badminton Association |access-date=23 December 2025 |archive-url=https://web.archive.org/web/20170606101811/http://badminton.or.jp/2016/hol_jr/index.htm |archive-date=6 June 2017 |language=ja |date=6 March 2017}}</ref> |- style="background:#AE9C45" | align="center" | 2017 | align="left" | German Junior | align="left" | {{flagicon|JPN}} Yunosuke Kubota | align="left" | {{flagicon|MAS}} [[Chang Yee Jun]]<br />{{flagicon|MAS}} [[Pearly Tan]] | align="left" | 16–21, 16–21 | style="text-align:left; background:white" | {{silver2}} '''Runner-up''' | style="text-align:center; background:white" | <ref name="germanjr17" /> |} : {{Color box|#AE9C45|border=darkgray}} BWF Junior International Grand Prix tournament
== References == {{Reflist}}
== External links == * {{BWFB|88135}} * {{BWFT|453578A7-8303-42CF-941D-67F5DFF48FA3|member_id=88135}} * [https://www.badminton.or.jp/national/player/view/11 Rin Iwanaga] at [[Badminton Association of Japan]] {{in lang|ja}} * [https://www.biprogy.com/badminton/team/iwanaga.html Rin Iwanaga] at [[:ja: BIPROGY|BIPROGY]] {{in lang|ja}} * [https://www.jsports.co.jp/badminton/bwf/player/iwanaga/ Rin Iwanaga] at [[J Sports]] {{in lang|ja}} * [https://www.smash-net.tv/player/岩永-鈴/ Rin Iwanaga] at Smash and Net TV {{in lang|ja}}
{{Top ten badminton players|WD}}
{{Authority control}}
{{DEFAULTSORT:Iwanaga, Rin}} [[Category:1999 births]] [[Category:Living people]] [[Category:Sportspeople from Yamaguchi Prefecture]] [[Category:Japanese female badminton players]] [[Category:21st-century Japanese sportswomen]]