{{Short description|Taiwanese badminton player (born 1995)}} {{family name hatnote|Chang|lang=Chinese}} {{Use dmy dates|date=January 2023}} {{Infobox badminton player | name = Chang Ko-chi<br />張課琦 | image = 張課琦2024高雄羽球大師賽.jpg | image_size = 250px | caption = Chang at the 2024 Kaohsiung Masters | birth_name = | country = Republic of China (Taiwan) | birth_date = {{birth date and age|df=yes|1995|11|21}} | birth_place = Taiwan | height = 1.91 m | weight = | years_active = | handedness = Right | coach = | event = Men's & mixed doubles | highest_ranking = 27 (MD with Po Li-wei, 29 August 2023)<br />26 (XD with Lee Chih-chen, 6 June 2023)<br />28 (XD with Chang Hsin-tien, 20 April 2017) | date_of_highest_ranking = | current_ranking = 45 | date_of_current_ranking = MD with Po Li-wei, 15 May 2026 | medal_templates = | bwfbadminton_id = 68681 | bwf_id = A88353C6-382A-41AA-81A5-E83DE780F45D }}

'''Chang Ko-chi''' ({{zh|t=張課琦|s=|p=Zhāng Kèqí}}; born 21 November 1995) is a Taiwanese badminton player.<ref>{{cite web|title=Players: Ko-Chi Chang |url=http://bwfbadminton.com/player/68681/ko-chi-chang |publisher=Badminton World Federation|access-date=16 December 2016}}</ref>

== Achievements ==

=== BWF World Tour (2 titles, 1 runner-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 Tours are divided into levels of World Tour Finals, Super&nbsp;1000, Super&nbsp;750, Super&nbsp;500, Super&nbsp;300 (part of the HSBC World Tour), and the BWF Tour Super&nbsp;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>

''Men's doubles'' {| class="sortable wikitable" style="font-size: 90%;" ! Year ! Tournament ! Level ! Partner ! Opponent ! Score ! Result |- | align="center" | 2018 | align="left" | Indonesia Masters | align="left" | Super 100 | align="left" | {{flagicon|TPE}} Lu Chia-pin | align="left" | {{flagicon|KOR}} Ko Sung-hyun<br />{{flagicon|KOR}} Shin Baek-cheol | align="left" | 23–21, 21–13 | style="text-align:left; background:white" | {{gold1}} '''Winner''' |- | align="center" | 2024 | align="left" | Kaohsiung Masters | align="left" | Super 100 | align="left" | {{flagicon|TPE}} Chen Xin-yuan | align="left" | {{flagicon|TPE}} Chen Zhi-ray<br />{{flagicon|TPE}} Lin Yu-chieh | align="left" | 19–21, 21–16, 22–20 | style="text-align:left; background:white" | {{gold1}} '''Winner''' |- | align="center" | 2025 | align="left" | Canada Open | align="left" | Super 300 | align="left" | {{flagicon|TPE}} Po Li-wei | align="left" | {{flagicon|TPE}} Lee Fang-chih<br />{{flagicon|TPE}} Lee Fang-jen | align="left" | 19–21, 19–21 | style="text-align:left; background:white" | {{silver2}} '''Runner-up''' |}

=== BWF Grand Prix (1 runner-up) === The BWF Grand Prix had two levels, the Grand Prix and Grand Prix Gold. It was a series of badminton tournaments sanctioned by the Badminton World Federation (BWF) and played between 2007 and 2017.

''Mixed doubles'' {| class="sortable wikitable" style="font-size: 90%;" ! Year ! Tournament ! Partner ! Opponent ! Score ! Result |- style="background:#D4F1C5" | align="center" | 2015 | align="left" | Chinese Taipei Masters | align="left" | {{flagicon|TPE}} Chang Hsin-tien | align="left" | {{flagicon|INA}} Ronald Alexander<br />{{flagicon|INA}} Melati Daeva Oktavianti | align="left" | 18–21, 27–25, 15–21 | style="text-align:left; background:white" | {{silver2}} '''Runner-up''' |} : {{Color box|#FFD700|border=darkgray}} BWF Grand Prix Gold tournament : {{Color box|#D4F1C5|border=darkgray}} BWF Grand Prix tournament

=== BWF International Challenge/Series (7 titles, 4 runners-up) === ''Men's doubles'' {| class="sortable wikitable" style="font-size: 90%;" ! Year ! Tournament ! Partner ! Opponent ! Score ! Result |- style="background:#D5D5D5" | align="center" | 2019 | align="left" | Portugal International | align="left" | {{flagicon|TPE}} Lee Fang-jen | align="left" | {{flagicon|SCO}} Christopher Grimley<br />{{flagicon|SCO}} Matthew Grimley | align="left" | 16–21, 21–16, 21–13 | style="text-align:left; background:white" | {{gold1}} '''Winner''' |- style="background:#D8CEF6" | align="center" | 2022 | align="left" | Belgian International | align="left" | {{flagicon|TPE}} Po Li-wei | align="left" | {{flagicon|THA}} Sirawit Sothon<br />{{flagicon|THA}} Natthapat Trinkajee | align="left" | 21–11, 19–21, 21–17 | style="text-align:left; background:white" | {{gold1}} '''Winner''' |- style="background:#D8CEF6" | align="center" | 2022 | align="left" | Bendigo International | align="left" | {{flagicon|TPE}} Po Li-wei | align="left" | {{flagicon|TPE}} Lee Fang-chih<br />{{flagicon|TPE}} Lee Fang-jen | align="left" | 21–15, 14–21, 22–20 | style="text-align:left; background:white" | {{gold1}} '''Winner''' |- style="background:#D8CEF6" | align="center" | 2022 | align="left" | North Harbour International | align="left" | {{flagicon|TPE}} Po Li-wei | align="left" | {{flagicon|TPE}} Lee Fang-chih<br />{{flagicon|TPE}} Lee Fang-jen | align="left" | 10–21, 22–20, 21–13 | style="text-align:left; background:white" | {{gold1}} '''Winner''' |- style="background:#D8CEF6" | align="center" | 2023 | align="left" | Polish Open | align="left" | {{flagicon|TPE}} Po Li-wei | align="left" | {{flagicon|DEN}} Daniel Lundgaard<br />{{flagicon|DEN}} Mads Vestergaard | align="left" | 20–22, 21–16, 19–21 | style="text-align:left; background:white" | {{silver2}} '''Runner-up''' |- style="background:#D8CEF6" | align="center" | 2023 | align="left" | Saipan International | align="left" | {{flagicon|TPE}} Po Li-wei | align="left" | {{flagicon|TPE}} Lee Fang-chih<br />{{flagicon|TPE}} Lee Fang-jen | align="left" | 29–30, 20–22 | style="text-align:left; background:white" | {{silver2}} '''Runner-up''' |}

''Mixed doubles'' {| class="sortable wikitable" style="font-size: 90%;" ! Year ! Tournament ! Partner ! Opponent ! Score ! Result |- style="background:#D8CEF6" | align="center" | 2016 | align="left" | Italian International | align="left" | {{flagicon|TPE}} Chang Hsin-tien | align="left" | {{flagicon|FRA|1974}} Jordan Corvée<br />{{flagicon|FRA|1974}} Anne Tran | align="left" | 13–21, 21–17, 17–21 | style="text-align:left; background:white" | {{silver2}} '''Runner-up''' |- style="background:#D8CEF6" | align="center" | 2017 | align="left" | Orléans International | align="left" | {{flagicon|TPE}} Chang Hsin-tien | align="left" | {{flagicon|GER}} Mark Lamsfuß<br />{{flagicon|GER}} Isabel Herttrich | align="left" | 9–21, 15–21 | style="text-align:left; background:white" | {{silver2}} '''Runner-up''' |- style="background:#D5D5D5" | align="center" | 2019 | align="left" | Portugal International | align="left" | {{flagicon|TPE}} Lee Chih-chen | align="left" | {{flagicon|BUL}} Alex Vlaar<br />{{flagicon|BUL}} Mariya Mitsova | align="left" | 21–12, 21–14 | style="text-align:left; background:white" | {{gold1}} '''Winner''' |- style="background:#D8CEF6" | align="center" | 2022 | align="left" | Bendigo International | align="left" | {{flagicon|TPE}} Lee Chih-chen | align="left" | {{flagicon|JPN}} Sumiya Nihei<br />{{flagicon|JPN}} Minami Asakura | align="left" | 16–21, 21–18, 21–17 | style="text-align:left; background:white" | {{gold1}} '''Winner''' |- style="background:#D8CEF6" | align="center" | 2022 | align="left" | North Harbour International | align="left" | {{flagicon|TPE}} Lee Chih-chen | align="left" | {{flagicon|JPN}} Sumiya Nihei<br />{{flagicon|JPN}} Minami Asakura | align="left" | 16–21, 21–9, 21–19 | style="text-align:left; background:white" | {{gold1}} '''Winner''' |} : {{Color box|#D8CEF6|border=darkgray}} BWF International Challenge tournament : {{Color box|#D5D5D5|border=darkgray}} BWF International Series tournament : {{Color box|#E9E9E9|border=darkgray}} BWF Future Series tournament

== References == {{Reflist}}

== External links == {{commons category|Chang Ko-Chi}} * {{BWFB|68681}} * {{BWFT|A88353C6-382A-41AA-81A5-E83DE780F45D|member_id=68681}}

{{DEFAULTSORT:Chang, Ko-chi}} Category:1995 births Category:Living people Category:Badminton players from Taipei Category:Taiwanese male badminton players