{{Short description|Chinese tennis player (born 1996)}} {{family name hatnote|[[Sun (surname)|Sun]] (孙)|lang=Chinese}} {{Infobox tennis biography |name = Sun Fajing <br> 孙发京 |image = |caption = |fullname = |country = {{CHN}} |residence = [[Beijing]], China |birth_date = {{birth date and age|df=yes|1996|10|3}} |birth_place = [[Shanxi]], China |height = {{convert|1.78|m|abbr=on}} |weight = |turnedpro = |coach = Juan Manuel Esparcia |plays = Right-handed (two-handed backhand) |careerprizemoney = US $485,762 |singlesrecord = 1–4 <small>(at [[ATP Tour]] level, [[Grand Slam (tennis)|Grand Slam]] level, and in [[Davis Cup]])</small> |singlestitles = 0 |highestsinglesranking = No. 197 (4 May 2026) |currentsinglesranking = No. 197 (4 May 2026) |FrenchOpenresult = Q1 ([[2026 French Open – Men's singles qualifying|2026]]) |Wimbledonresult = Q1 ([[2025 Wimbledon Championships – Men's singles qualifying|2025]]) |USOpenresult = Q2 ([[2025 US Open – Men's singles qualifying|2025]]) |doublesrecord = 3–9 <small>(at [[ATP Tour]] level, [[Grand Slam (tennis)|Grand Slam]] level, and in [[Davis Cup]])</small> |doublestitles = 3 Challengers |highestdoublesranking = No. 181 (26 February 2024) |currentdoublesranking = No. 252 (4 May 2026) |updated = 4 May 2026 }}
'''Sun Fajing''' ({{lang-zh|s=孙发京|p=Sūn Fājīng}}; {{small|Mandarin pronunciation:}} {{IPAc-cmn|s|wen|1|-|f|a|1|-|j|ing|1}}; born 3 October 1996) is a Chinese [[tennis]] player. Sun has a career high [[Association of Tennis Professionals|ATP]] singles ranking of world No. 197 achieved on 4 May 2026 and a career high ATP doubles ranking of world No. 181 achieved on 26 February 2024. He is the current No. 4 Chinese player.<ref>{{Cite web|url=https://www.atptour.com/en/rankings/singles?rankRange=0-5000®ion=CHN|title=China Rankings | Singles|website=ATP Tour}}</ref>
==Career== Sun made his ATP main draw debut at the [[2016 Chengdu Open]], where he was granted a wildcard entry in the doubles draw alongside compatriot [[He Yecong]]. They were defeated in the first round by [[Raven Klaasen]] and [[Rajeev Ram]] in straight sets.
The following year, he was again given a wildcard at the [[2017 Chengdu Open]] with partner [[Te Rigele]], and again he would lose in the first round to [[Nenad Zimonjic]] and [[Santiago Gonzalez (tennis)|Santiago Gonzalez]] in straight sets.
In his third main draw appearance, he and partner [[Zhizhen Zhang]] were given a wildcard entry into the doubles draw of the [[2018 ATP Shenzhen Open]] but lost in the first round to [[Marcin Matkowski]] and [[Nicholas Monroe]].
His fourth and most recent ATP appearance (also his third at the tournament) was a wildcard entry into the doubles draw of the [[2019 Chengdu Open]] pairing up with [[Wang Aoran]], and to round up an 0–4 record he lost to [[Dominic Inglot]] and [[Austin Krajicek]].
He was given a wildcard at the [[2023 China Open (tennis)|2023 China Open]] partnering [[Zhou Yi (tennis)|Zhou Yi]]. He received a wildcard in doubles partnering [[Li Zhe (tennis)|Li Zhe]] at the [[2023 Rolex Shanghai Masters]] and also a qualifying wildcard in singles at the [[2024 Rolex Shanghai Masters]] where he upset fourth seed [[Borna Ćorić]] in the first round of qualifying but lost in the second in straight sets to alternate player [[Ramkumar Ramanathan]].<ref>{{cite tweet|url=https://x.com/damiankust/status/1840702461658435923|number=1840702461658435923|title=Some unexpected wins for the Chinese players in Shanghai Q today - Fajing Sun just saved 4 MPs (mostly on unforced errors) to beat Coric 6-7(5) 6-1 7-6(9)|date=30 September 2024|user=damiankust}}</ref><ref>{{cite tweet|url=https://x.com/edgeAIapp/status/1840702485888979071|number=1840702485888979071|title=3 hours battle between Borna Coric and Fajing Sun. Sun wins from a set down 6-7, 6-1, 7-6. 11-9 in the 3'd set tie breaker, he saved 4 match points !|date=30 September 2024|user=edgeAI}}</ref><ref>{{cite tweet|url= https://x.com/damiankust/status/1841031394975158395 |number= 1841031394975158395 |title= Ramkumar Ramanathan was on a 10-match losing streak before receiving an alternate spot into Shanghai Q and has now made the main draw, beating Blanchet and Sun. It will be just his 2nd ATP 1000 appearance after 2017 Cincinnati as LL (beat Eubanks in R1, lost to Donaldson |date=1 October 2024|user=damiankust}} </ref><ref>{{cite web|url=https://www.sportskeeda.com/tennis/news-2024-shanghai-masters-ramkumar-ramanathan-beats-sun-fajing-straight-sets-qualifies-main-draw|title=2024 Shanghai Masters: Ramkumar Ramanathan beats Sun Fajing in straight sets; qualifies for main draw|date=1 October 2024}}</ref>
Fajing Sun reached the top 200 on 19 May 2025, following his maiden Challenger title at the [[2025 Wuxi Open]].<ref>{{cite tweet|url= https://x.com/GoJiangsu/status/1922232853737439265 |number=1922232853737439265 |title= Congratulations to Sun Fajing🥳, winner of the #2025WuxiOpen men's singles final 2-0 victory at the #Wuxi International Tennis Center on May 11🎾. Vasil Kirkov and Bart Stevens took the title for the men's doubles🌟? #JiangsuSports #Tennis #ATPCH100 @asian_tennis @atptour @ATPChallenger |user=GoJiangsu}}</ref><ref>{{cite web|url= https://www.tennis.com/news/articles/alvaro-guillen-meza-endures-weather-emerges-as-champion-at-santos-brasil-tennis-cup |title=Alvaro Guillen Meza endures weather, emerges as champion at Santos Brasil Tennis Cup |date=12 May 2025}}</ref><ref>{{cite web|url=https://www.atptour.com/en/news/guillen-meza-santos-challenger-2025-final|title=Guillen Meza masters marathon day to win Challenger title; ''Maestrelli, Misolic among winners''|publisher=ATPTour|date=12 May 2025|accessdate=12 May 2025}}</ref>
==Performance timeline== {{Performance key|short=yes}} === Singles === {| class="wikitable" style="text-align:center" |- !Tournament ![[2015 ATP World Tour|2015]] ![[2016 ATP World Tour|2016]] ![[2017 ATP World Tour|2017]] ![[2018 ATP World Tour|2018]] ![[2019 ATP Tour|2019]] ![[2020 ATP Tour|2020]] ![[2021 ATP Tour|2021]] ![[2022 ATP Tour|2022]] ![[2023 ATP Tour|2023]] ![[2024 ATP Tour|2024]] ![[2025 ATP Tour|2025]] ![[2026 ATP Tour|2026]] !SR !W–L !Win % |- | colspan="15" style="text-align:left" |'''[[Grand Slam (tennis)|Grand Slam tournaments]]''' |- |align=left|[[Australian Open]] |A |A |A |A |A |A |A |A |A |A |A |A |0 / 0 |0–0 |bgcolor=efefef|{{tennis win percentage|won=0|lost=0|integer=yes}} |- |align=left|[[French Open]] |A |A |A |A |A |A |A |A |A |A |A |bgcolor=ecf2ff|[[2026 French Open – Men's singles|Q1]] |0 / 0 |0–0 |bgcolor=efefef|{{tennis win percentage|won=0|lost=0|integer=yes}} |- |align=left|[[Wimbledon Championships|Wimbledon]] |A |A |A |A |A |style=color:#767676|NH |A |A |A |A |bgcolor=ecf2ff|[[2025 Wimbledon Championships – Men's singles|Q1]] | |0 / 0 |0–0 |bgcolor=efefef|{{tennis win percentage|won=0|lost=0|integer=yes}} |- |align=left|[[US Open (tennis)|US Open]] |A |A |A |A |A |A |A |A |A |A |bgcolor=ecf2ff|[[2025 US Open – Men's singles|Q2]] | |0 / 0 |0–0 |bgcolor=efefef|{{tennis win percentage|won=0|lost=0|integer=yes}} |- style="font-weight:bold;background:#EFEFEF;" |style=text-align:left|Win–loss |0–0 |0–0 |0–0 |0–0 |0–0 |0–0 |0–0 |0–0 |0–0 |0–0 |0–0 |0–0 |0 / 0 |0–0 |bgcolor=efefef|{{tennis win percentage|won=0|lost=0|integer=yes}} |- | colspan="15" style="text-align:left" |'''[[ATP Masters 1000 tournaments|ATP Masters 1000]]''' |- |style=text-align:left|[[Indian Wells Masters]] |A |A |A |A |A |style=color:#767676|NH |A |A |A |A |A |A |0 / 0 |0–0 |bgcolor=efefef|{{tennis win percentage|won=0|lost=0|integer=yes}} |- |style=text-align:left|[[Miami Open (tennis)|Miami Open]] |A |A |A |A |A |style=color:#767676|NH |A |A |A |A |A |A |0 / 0 |0–0 |bgcolor=efefef|{{tennis win percentage|won=0|lost=0|integer=yes}} |- |style=text-align:left|[[Monte Carlo Masters]] |A |A |A |A |A |style=color:#767676|NH |A |A |A |A |A |A |0 / 0 |0–0 |bgcolor=efefef|{{tennis win percentage|won=0|lost=0|integer=yes}} |- |style=text-align:left|[[Madrid Open (tennis)|Madrid Open]] |A |A |A |A |A |style=color:#767676|NH |A |A |A |A |A |A |0 / 0 |0-0 |bgcolor=efefef|{{tennis win percentage|won=0|lost=0|integer=yes}} |- |style=text-align:left|[[Italian Open (tennis)|Italian Open]] |A |A |A |A |A |A |A |A |A |A |A |A |0 / 0 |0–0 |bgcolor=efefef|{{tennis win percentage|won=0|lost=0|integer=yes}} |- |style=text-align:left|[[Canadian Open (tennis)|Canadian Open]] |A |A |A |A |A |style=color:#767676|NH |A |A |A |A |A | |0 / 0 |0–0 |bgcolor=efefef|{{tennis win percentage|won=0|lost=0|integer=yes}} |- |style=text-align:left|[[Cincinnati Open|Cincinnati Masters]] |A |A |A |A |A |A |A |A |A |A |A | |0 / 0 |0–0 |bgcolor=efefef|{{tennis win percentage|won=0|lost=0|integer=yes}} |- |style=text-align:left|[[Shanghai Masters (tennis)|Shanghai Masters]] |bgcolor=ecf2ff|[[2015 Shanghai Rolex Masters – Singles|Q1]] |A |bgcolor=ecf2ff|[[2017 Shanghai Rolex Masters – Singles|Q1]] |A |bgcolor=ecf2ff|[[2019 Rolex Shanghai Masters – Singles|Q1]] |colspan=3 style=color:#767676|NH |bgcolor=ecf2ff|[[2023 Rolex Shanghai Masters – Singles|Q2]] |bgcolor=ecf2ff|[[2024 Rolex Shanghai Masters – Singles|Q2]] |bgcolor=ecf2ff|[[2025 Rolex Shanghai Masters – Singles|Q1]] | |0 / 0 |0–0 |bgcolor=efefef|{{tennis win percentage|won=0|lost=0|integer=yes}} |- |style=text-align:left|[[Paris Masters]] |A |A |A |A |A |A |A |A |A |A |A | |0 / 0 |0–0 |bgcolor=efefef|{{tennis win percentage|won=0|lost=0|integer=yes}} |- style="font-weight:bold;background:#EFEFEF;" |style=text-align:left|Win–loss |0–0 |0–0 |0–0 |0–0 |0–0 |0–0 |0–0 |0–0 |0–0 |0–0 |0–0 | |0 / 0 |0–0 |bgcolor=efefef|{{tennis win percentage|won=0|lost=0|integer=yes}} |- |}
==ATP Challenger Tour finals==
===Singles: 3 (2 titles, 1 runner-up)===
{|class=wikitable style=font-size:97% !Finals by surface |- |Hard (2–1) |- |Clay (0–0) |}
{|class="sortable wikitable" !Result !class="unsortable"|W–L !{{ns}}Date{{ns}} !Tournament !Tier !Surface !Partner !class="unsortable"|Score |- |bgcolor=98fb98|Win |<small>1–0</small> |[[2025 Wuxi Open – Singles|{{dts|May 2025}}]] |style="background:moccasin;"|[[2025 Wuxi Open|Wuxi Open]], China |style="background:moccasin;"|Challenger |Hard |{{flagicon|AUS}} [[Alex Bolt]] | 7–6<sup>(7–4)</sup>, 6–4 |- |bgcolor=FFA07A|Loss |<small>1–1</small> |[[2025 Open de Tenis Ciudad de Pozoblanco – Singles|{{dts|Jul 2025}}]] |style="background:moccasin;"|[[2025 Open de Tenis Ciudad de Pozoblanco|Open de Tenis Ciudad de Pozoblanco]], Spain |style="background:moccasin;"|Challenger |Hard |{{flagicon|ESP}} [[Daniel Mérida]] | 3–6, 4–6 |- |bgcolor=98fb98|Win |<small>2–1</small> |[[2026 Wuning Challenger II – Singles|{{dts|Apr 2026}}]] |style="background:moccasin;"|[[2026 Wuning Challenger II|Wuning Challenger]], China |style="background:moccasin;"|Challenger |Hard |{{flagicon|AUS}} [[Li Tu]] | 5–7, 6–4, 7–5 |}
===Doubles: 8 (5 titles, 3 runner-ups)=== {| |-valign=top | {|class=wikitable style=font-size:97% !Finals by surface |- |Hard (5–3) |- |Clay (0–0) |} |}
{|class="sortable wikitable" !Result !class="unsortable"|W–L !{{ns}}Date{{ns}} !Tournament !Tier !Surface !Partner !Opponents !class="unsortable"|Score |- |bgcolor=98FB98|Win |<small>1–0</small> |[[2017 China International Suzhou – Doubles|{{dts|Oct 2017}}]] |style=background:moccasin|[[2017 China International Suzhou|Suzhou]], China |style=background:moccasin|Challenger |Hard |{{flagicon|CHN}} [[Gao Xin (tennis)|Xin Gao]] |{{flagicon|CHN}} [[Gong Maoxin]] <br>{{flagicon|CHN}} [[Zhang Ze (tennis)|Zhang Ze]] |7–6<sup>(7–5)</sup>, 4–6, [10–7] |- |bgcolor=98FB98|Win |<small>2–0</small> |[[2019 Shanghai Challenger – Doubles|{{dts|Sep 2019}}]] |style=background:moccasin|[[2019 Shanghai Challenger|Shanghai]], China |style=background:moccasin|Challenger |Hard |{{flagicon|CHN}} Xin Gao |{{flagicon|AUS}} [[Marc Polmans]] <br>{{flagicon|AUS}} [[Scott Puodziunas]] |2–6, 6–4, [10–7] |- |bgcolor=FFA07A|Loss |<small>2–1</small> |[[2023 Open Castilla y León – Doubles|{{dts|Jul 2023}}]] |style=background:moccasin|[[2023 Open Castilla y León|Segovia]], Spain |style=background:moccasin|Challenger |Hard |{{flagicon|PHI}} [[Francis Casey Alcantara]] |{{flagicon|FRA}} [[Dan Added]] <br>{{flagicon|FRA}} [[Pierre-Hugues Herbert]] |6–4, 3–6, [10–12] |- |bgcolor=FFA07A|Loss |<small>2–2</small> |[[2023 International Challenger Zhangjiagang - Doubles|{{dts|Aug 2023}}]] |style=background:moccasin|[[2023 International Challenger Zhangjiagang|Zhangjiagang]], China |style=background:moccasin|Challenger |Hard |{{flagicon|PHI}} Francis Casey Alcantara |{{flagicon|TPE}} [[Ray Ho]] <br>{{flagicon|AUS}} [[Matthew Romios]] |3–6, 4–6 |- |bgcolor=FFA07A|Loss |<small>2–3</small> |[[2024 Nonthaburi Challenger II - Doubles|{{dts|Jan 2024}}]] |style=background:moccasin|[[2024 Nonthaburi Challenger II|Nonthaburi II]], Thailand |style=background:moccasin|Challenger |Hard |{{flagicon|PHI}} Francis Casey Alcantara |{{flagicon|FRA}} [[Manuel Guinard]] <br>{{flagicon|FRA}} [[Grégoire Jacq]] |4–6, 6–7<sup>(6–8)</sup> |- |bgcolor=98FB98|Win |<small>3–3</small> |[[2024 Hangzhou Challenger – Doubles|{{dts|Oct 2024}}]] |style=background:moccasin|[[2024 Hangzhou Challenger|Hangzhou]], China |style=background:moccasin|Challenger |Hard |{{flagicon|CHN}} [[Te Rigele]] |{{flagicon|AUS}} [[Thomas Fancutt]] <br>{{flagicon|JPN}} [[Yuta Shimizu]] |6–3, 7–5 |- |bgcolor=98FB98|Win |<small>4–3</small> |[[2025 Open de Tenis Ciudad de Pozoblanco – Doubles|{{dts|Jul 2025}}]] |style=background:moccasin|[[2025 Open de Tenis Ciudad de Pozoblanco|Pozoblanco]], Spain |style=background:moccasin|Challenger |Hard |{{flagicon|ESP}} [[Iñaki Montes de la Torre]] |{{flagicon|BUL}} [[Anthony Genov]] <br>{{flagicon|ISR}} [[Roy Stepanov]] |6–1, 7–6<sup>(10–8)</sup> |- |bgcolor=98FB98|Win |<small>5–3</small> |[[2026 Yokkaichi Challenger – Doubles|{{dts|Mar 2026}}]] |style=background:moccasin|[[2026 Yokkaichi Challenger|Yokkaichi]], Japan |style=background:moccasin|Challenger |Hard |{{flagicon|TPE}} [[Wu Tung-lin]] |{{flagicon|AUS}} Ethan Cook <br>{{flagicon|AUS}} Tai Sach |7–6<sup>(8–6)</sup>, 6–3. |}
==ITF Futures/World Tennis Tour finals==
===Singles: 20 (6 titles, 14 runner-ups)=== {| |-valign=top | {|class=wikitable style=font-size:97% !Legend |-bgcolor=cffcff |ITF Futures/WTT (6–14) |} | {|class=wikitable style=font-size:97% !Finals by surface |- |Hard (5–13) |- |Clay (1–1) |- |Grass (0–0) |- |Carpet (0–0) |} |}
{|class="sortable wikitable" !Result !class="unsortable"|W–L !{{ns}}Date{{ns}} !Tournament !Tier !Surface !Opponent !class="unsortable"|Score |- |bgcolor=FFA07A|Loss |<small>0–1</small> |{{dts|Aug 2016}} |style="background:#cffcff;"|Thailand F1, Hua Hin |style="background:#cffcff;"|Futures |Hard |{{flagicon|TPE}} [[Chen Ti]] |3–6, 1–6 |- |bgcolor=FFA07A|Loss |<small>0–2</small> |{{dts|Feb 2017}} |style="background:#cffcff;"|Indonesia F1, Jakarta |style="background:#cffcff;"|Futures |Hard |{{flagicon|TPE}} Chen Ti |6–7<sup>(4–7)</sup>, 3–6 |- |bgcolor=98FB98|Win |<small>1–2</small> |{{dts|Apr 2017}} |style="background:#cffcff;"|China F5, Luzhou |style="background:#cffcff;"|Futures |Hard |{{flagicon|AUS}} [[Bradley Mousley]] |7–6<sup>(7–2)</sup>, 6–2 |- |bgcolor=FFA07A|Loss |<small>1–3</small> |{{dts|Mar 2018}} |style="background:#cffcff;"|Qatar F1, Doha |style="background:#cffcff;"|Futures |Hard |{{flagicon|NED}} [[Scott Griekspoor]] |4–6, 3–6 |- |bgcolor=FFA07A|Loss |<small>1–4</small> |{{dts|May 2018}} |style="background:#cffcff;"|China F6, Lu'an |style="background:#cffcff;"|Futures |Hard |{{flagicon|FIN}} [[Patrik Niklas-Salminen]] |6–2, 4–6, 4–6 |- |bgcolor=FFA07A|Loss |<small>1–5</small> |{{dts|Feb 2019}} |style="background:#cffcff;"|M15 Sharm El Sheikh, Egypt |style="background:#cffcff;"|WTT |Hard |{{flagicon|SWE}} [[Filip Bergevi]] |6–7<sup>(4–7)</sup>, 6–7<sup>(2–7)</sup> |- |bgcolor=98FB98|Win |<small>2–5</small> |{{dts|May 2019}} |style="background:#cffcff;"|M25 Lu'an, China |style="background:#cffcff;"|WTT |Hard |{{flagicon|CHN}} [[Cui Jie (tennis)|Cui Jie]] |7–5, 6–4 |- |bgcolor=FFA07A|Loss |<small>2–6</small> |{{dts|Jun 2019}} |style="background:#cffcff;"|M25 Hengyang, China |style="background:#cffcff;"|WTT |Hard |{{flagicon|AUS}} [[Harry Bourchier]] |6–7<sup>(7–9)</sup>, 1–6 |- |bgcolor=98FB98|Win |<small>3–6</small> |{{dts|Jul 2019}} |style="background:#cffcff;"|M25 Kunshan, China |style="background:#cffcff;"|WTT |Hard |{{flagicon|TPE}} [[Yang Tsung-Hua]] |6–2, 6–2 |- |bgcolor=FFA07A|Loss |<small>3–7</small> |{{dts|Jul 2019}} |style="background:#cffcff;"|M25 Qujing, China |style="background:#cffcff;"|WTT |Hard |{{flagicon|CHN}} [[Bai Yan (tennis)|Bai Yan]] |3–6, 1–6 |- |bgcolor=FFA07A|Loss |<small>3–8</small> |{{dts|Oct 2022}} |style="background:#cffcff;"|M15 Monastir, Tunisia |style="background:#cffcff;"|WTT |Hard |{{flagicon|GER}} [[Christoph Negritu]] |6–7<sup>(5–7)</sup>, 6–7<sup>(5–7)</sup> |- |bgcolor=98FB98|Win |<small>4–8</small> |{{dts|Jun 2023}} |style="background:#cffcff;"|M25 Martos, Spain |style="background:#cffcff;"|WTT |Hard |{{flagicon|ESP}} Pedro Vives Marcos |7–6<sup>(7–3)</sup>, 6–4 |- |bgcolor=98FB98|Win |<small>5–8</small> |{{dts|Aug 2023}} |style="background:#cffcff;"|M25 Anning, China |style="background:#cffcff;"|WTT |Clay |{{flagicon|CHN}} [[Cui Jie (tennis)|Cui Jie]] |6–3, 4–6, 6–2 |- |bgcolor=FFA07A|Loss |<small>5–9</small> |{{dts|Aug 2023}} |style="background:#cffcff;"|M25 Yinchuan, China |style="background:#cffcff;"|WTT |Hard |{{flagicon|CHN}} [[Cui Jie (tennis)|Cui Jie]] |3–6, 5–7 |- |bgcolor=98FB98|Win |<small>6–9</small> |{{dts|May 2024}} |style="background:#cffcff;"|M25 Lu'an, China |style="background:#cffcff;"|WTT |Hard |{{flagicon|CHN}} [[Mo Yecong]] |6–3, 6–1 |- |bgcolor=FFA07A|Loss |<small>6–10</small> |{{dts|May 2024}} |style="background:#cffcff;"|M25 Baotou, China |style="background:#cffcff;"|WTT |Clay (i) |{{flagicon|CHN}} [[Te Rigele]] |2–6, 4–6 |- |bgcolor=FFA07A|Loss |<small>6–11</small> |{{dts|Jul 2024}} |style="background:#cffcff;"|M25 Tianjin, China |style="background:#cffcff;"|WTT |Hard |{{flagicon|CHN}} [[Zhou Yi (tennis)|Zhou Yi]] |6–4, 3–6, 5–7 |- |bgcolor=FFA07A|Loss |<small>6–12</small> |{{dts|Aug 2024}} |style="background:#cffcff;"|M25 Yinchuan, China |style="background:#cffcff;"|WTT |Hard |{{flagicon|CHN}} Bai Yan |4–6, 6–7<sup>(1–7)</sup> |- |bgcolor=FFA07A|Loss |<small>6–13</small> |{{dts|Oct 2024}} |style="background:#cffcff;"|M25 Huzhou, China |style="background:#cffcff;"|WTT |Hard |{{flagicon|CHN}} Bai Yan |3–6, 6–4, 2–6 |- |bgcolor=FFA07A|Loss |<small>6–14</small> |{{dts|Oct 2024}} |style="background:#cffcff;"|M25 Qian Daohu, China |style="background:#cffcff;"|WTT |Hard |{{flagicon|MAR}} [[Elliot Benchetrit]] |3–6, 2–6 |}
===Doubles: 34 (16 titles, 18 runner-ups)=== {| |-valign=top | {|class=wikitable style=font-size:97% !Legend |-bgcolor=cffcff |ITF Futures/WTT (16–18) |} | {|class=wikitable style=font-size:97% !Finals by surface |- |Hard (13–14) |- |Clay (3–4) |- |Grass (0–0) |- |Carpet (0–0) |} |}
{|class="sortable wikitable nowrap" !Result !class=unsortable|W–L !{{ns}}Date{{ns}} !Tournament !Tier !Surface !Partner !Opponents !class=unsortable|Score |- |bgcolor=FFA07A|Loss |<small>0–1</small> |{{dts|Feb 2016}} |style=background:#cffcff|China F1, Anning |style=background:#cffcff|Futures |Clay |{{flagicon|CHN}} [[Wang Aoran]] |{{flagicon|TPE}} Lin Hsin <br>{{flagicon|ESP}} [[Enrique López Pérez]] |walkover |- |bgcolor=FFA07A|Loss |<small>0–2</small> |{{dts|Jul 2016}} |style=background:#cffcff|China F10, Longyan |style=background:#cffcff|Futures |Hard |{{flagicon|CHN}} Wang Aoran |{{flagicon|CHN}} [[Bai Yan (tennis)|Bai Yan]] <br>{{flagicon|CHN}} [[Li Zhe (tennis)|Li Zhe]] |6–7<sup>(1–7)</sup>, 4–6 |- |bgcolor=98FB98|Win |<small>1–2</small> |{{dts|Jul 2016}} |style=background:#cffcff|China F11, Anning |style=background:#cffcff|Futures |Clay |{{flagicon|CHN}} Wang Aoran |{{flagicon|CHN}} [[Ning Yuqing]] <br>{{flagicon|CHN}} [[Qiu Zhuoyang]] |6–3, 6–4 |- |bgcolor=FFA07A|Loss |<small>1–3</small> |{{dts|Mar 2017}} |style=background:#cffcff|Egypt F8, Longyan |style=background:#cffcff|Futures |Hard |{{flagicon|TPE}} [[Chen Ti]] |{{flagicon|PHI}} [[Francis Casey Alcantara]] <br>{{flagicon|ZIM}} [[Benjamin Lock]] |3–6, 7–6<sup>(9–7)</sup>, [7–10] |- |bgcolor=98FB98|Win |<small>2–3</small> |{{dts|May 2017}} |style=background:#cffcff|China F8, Fuzhou |style=background:#cffcff|Futures |Hard |{{flagicon|CHN}} [[Te Rigele]] |{{flagicon|USA}} [[Alexander Sarkissian]] <br>{{flagicon|NZL}} [[Finn Tearney]] |6–2, 6–4 |- |bgcolor=98FB98|Win |<small>3–3</small> |{{dts|Jul 2017}} |style=background:#cffcff|China F12, Shenzhen |style=background:#cffcff|Futures |Hard |{{flagicon|VIE}} [[Lý Hoàng Nam]] |{{flagicon|PHI}} Francis Casey Alcantara <br>{{flagicon|IND}} Karunuday Singh |6–4, 6–4 |- |bgcolor=FFA07A|Loss |<small>3–4</small> |{{dts|Dec 2017}} |style=background:#cffcff|Thailand F12, Hua Hin |style=background:#cffcff|Futures |Hard |{{flagicon|CHN}} [[Gao Xin (tennis)|Xin Gao]] |{{flagicon|KOR}} [[Chung Hong]] <br>{{flagicon|KOR}} [[Song Min-kyu (tennis)|Song Min-kyu]] |6–7<sup>(5–7)</sup>, 6–3, [6–10] |- |bgcolor=98FB98|Win |<small>4–4</small> |{{dts|Mar 2018}} |style=background:#cffcff|Qatar F3, Doha |style=background:#cffcff|Futures |Hard |{{flagicon|HKG}} [[Wong Chun-hun]] |{{flagicon|CZE}} [[Matěj Vocel]] <br>{{flagicon|CZE}} [[Marek Gengel]] |6–3, 6–3 |- |bgcolor=FFA07A|Loss |<small>4–5</small> |{{dts|May 2018}} |style=background:#cffcff|China F4, Wuhan |style=background:#cffcff|Futures |Hard |{{flagicon|CHN}} Wang Ruikai |{{flagicon|CHN}} Te Rigele <br>{{flagicon|JPN}} [[Yuta Shimizu]] |6–7<sup>(3-7)</sup>, 3–6 |- |bgcolor=FFA07A|Loss |<small>4–6</small> |{{dts|Jun 2018}} |style=background:#cffcff|China F7, Luzhou |style=background:#cffcff|Futures |Hard |{{flagicon|PHI}} Francis Casey Alcantara |{{flagicon|GER}} Sami Reinwein <br>{{flagicon|NZL}} [[Rhett Purcell]] |5–7, 3–6 |- |bgcolor=98FB98|Win |<small>5–6</small> |{{dts|Jun 2018}} |style=background:#cffcff|China F8, Yinchuan |style=background:#cffcff|Futures |Hard |{{flagicon|PHI}} Francis Casey Alcantara |{{flagicon|THA}} [[Wishaya Trongcharoenchaikul]] <br>{{flagicon|JPN}} [[Kento Takeuchi]] |6–4, 2–6, [10–5] |- |bgcolor=98FB98|Win |<small>6–6</small> |{{dts|May 2019}} |style=background:#cffcff|M25 Wuhan, China |style=background:#cffcff|WTT |Hard |{{flagicon|CHN}} Te Rigele |{{flagicon|JPN}} Sora Fakuda <br>{{flagicon|JPN}} Yuki Mochizuki |6–1, 3–6, [12–10] |- |bgcolor=FFA07A|Loss |<small>6–7</small> |{{dts|Jun 2019}} |style=background:#cffcff|M25 Luzhou, China |style=background:#cffcff|WTT |Hard |{{flagicon|CHN}} Xin Gao |{{flagicon|CHN}} Wang Aoran <br>{{flagicon|CHN}} Wu Hao |6–3, 1–6, [7–10] |- |bgcolor=98FB98|Win |<small>7–7</small> |{{dts|Jul 2019}} |style=background:#cffcff|M25 Kunshan, China |style=background:#cffcff|WTT |Hard |{{flagicon|CHN}} Xin Gao |{{flagicon|CHN}} Zeng Shihong <br>{{flagicon|CHN}} [[Hua Runhao]] |6–2, 7–6<sup>(7–5)</sup> |- |bgcolor=98FB98|Win |<small>8–7</small> |{{dts|Jul 2019}} |style=background:#cffcff|M25 Qujing, China |style=background:#cffcff|WTT |Hard |{{flagicon|CHN}} Hua Runhao |{{flagicon|PHI}} Francis Casey Alcantara <br>{{flagicon|NZL}} Rhett Purcell |6–1, 6–1 |- |bgcolor=98FB98|Win |<small>9–7</small> |{{dts|May 2022}} |style=background:#cffcff|M25 Monastir, Tunisia |style=background:#cffcff|WTT |Hard |{{flagicon|TPE}} [[Hsu Yu-hsiou]] |{{flagicon|AUS}} Jayden Court <br>{{flagicon|AUS}} [[Dane Sweeny]] |7–6<sup>(7–4)</sup>, 6–3 |- |bgcolor=98FB98|Win |<small>10–7</small> |{{dts|May 2022}} |style=background:#cffcff|M25 Monastir, Tunisia |style=background:#cffcff|WTT |Hard |{{flagicon|TPE}} Hsu Yu-hsiou |{{flagicon|AUS}} [[Blake Bayldon]] <br>{{flagicon|AUS}} Jordan Smith |6–4, 7–6<sup>(7–2)</sup> |- |bgcolor=FFA07A|Loss |<small>10–8</small> |{{dts|Jun 2022}} |style=background:#cffcff|M25 Chiang Rai, Thailand |style=background:#cffcff|WTT |Hard |{{flagicon|TPE}} Hsu Yu-hsiou |{{flagicon|THA}} Congsup Congcar <br>{{flagicon|JPN}} Shintaro Imai |4–6, 6–1, [8–10] |- |bgcolor=98FB98|Win |<small>11–8</small> |{{dts|Jul 2022}} |style=background:#cffcff|M15 Kottingbrunn, Austria |style=background:#cffcff|WTT |Clay |{{flagicon|GER}} Niklas Schell |{{flagicon|ITA}} Stefano Battaglino <br>{{flagicon|ITA}} [[Lorenzo Rottoli]] |6–4, 6–2 |- |bgcolor=FFA07A|Loss |<small>11–9</small> |{{dts|Oct 2022}} |style=background:#cffcff|M15 Monastir, Tunisia |style=background:#cffcff|WTT |Hard |{{flagicon|USA}} [[Bruno Kuzuhara]] |{{flagicon|AUS}} [[James Frawley (tennis)|James Frawley]] <br>{{flagicon|GER}} [[Christoph Negritu]] |4–6, 6–1, [6–10] |- |bgcolor=FFA07A|Loss |<small>11–10</small> |{{dts|Oct 2022}} |style=background:#cffcff|M25 Jakarta, Indonesia |style=background:#cffcff|WTT |Hard |{{flagicon|JPN}} [[Seita Watanabe]] |{{flagicon|AUS}} [[Thomas Fancutt]] <br>{{flagicon|AUS}} [[Brandon Walkin]] |6–4, 3–6, [6–10] |- |bgcolor=FFA07A|Loss |<small>11–11</small> |{{dts|Oct 2022}} |style=background:#cffcff|M25 Jakarta, Indonesia |style=background:#cffcff|WTT |Hard |{{flagicon|HKG}} [[Coleman Wong]] |{{flagicon|JPN}} Tomohiro Masabayashi <br>{{flagicon|JPN}} Seita Watanabe |6–4, 4–6, [7–10] |- |bgcolor=FFA07A|Loss |<small>11–12</small> |{{dts|Apr 2023}} |style=background:#cffcff|M15 Singapore, Singapore |style=background:#cffcff|WTT |Hard |{{flagicon|PHI}} Francis Casey Alcantara |{{flagicon|INA}} [[Justin Barki]] <br>{{flagicon|NED}} [[Igor Sijsling]] |1–6, 1–6 |- |bgcolor=98FB98|Win |<small>12–12</small> |{{dts|Apr 2023}} |style=background:#cffcff|M25 Jakarta, Indonesia |style=background:#cffcff|WTT |Hard |{{flagicon|TPE}} [[Ray Ho]] |{{flagicon|PHI}} Francis Casey Alcantara <br>{{flagicon|THA}} [[Pruchya Isaro]] |6–4, 7–5 |- |bgcolor=98FB98|Win |<small>13–12</small> |{{dts|Jun 2023}} |style=background:#cffcff|M25 La Nucia, Spain |style=background:#cffcff|WTT |Clay |{{flagicon|EGY}} Amr Elsayed |{{flagicon|GRE}} [[Dimitris Sakellaridis]] <br>{{flagicon|GRE}} [[Stefanos Sakellaridis]] |6–2, 6–3 |- |bgcolor=98FB98|Win |<small>14–12</small> |{{dts|Jul 2023}} |style=background:#cffcff|M25 Bakio, Spain |style=background:#cffcff|WTT |Hard |{{flagicon|ESP}} John Echeverría |{{flagicon|SUI}} Noah Lopez <br>{{flagicon|FRA}} [[Robin Bertrand]] |6–3, 6–2 |- |bgcolor=FFA07A|Loss |<small>14–13</small> |{{dts|Jul 2023}} |style=background:#cffcff|M25 Roda de Bara, Spain |style=background:#cffcff|WTT |Hard |{{flagicon|ESP}} John Echeverría |{{flagicon|ESP}} Pedro Vives Marcos <br>{{flagicon|ESP}} [[Alberto Barroso Campos]] |7–5, 3–6, [4–10] |- |bgcolor=FFA07A|Loss |<small>14–14</small> |{{dts|Aug 2023}} |style=background:#cffcff|M25 Anning, China |style=background:#cffcff|WTT |Clay |{{flagicon|USA}} [[Evan Zhu]] |{{flagicon|CHN}} [[Cui Jie (tennis)|Cui Jie]] <br>{{flagicon|CHN}} Wang Xiaofei |6–3, 2–6, [8–10] |- |bgcolor=98FB98|Win |<small>15–14</small> |{{dts|May 2024}} |style=background:#cffcff|M25 Lu'an, China |style=background:#cffcff|WTT |Hard |{{flagicon|NZL}} [[Ajeet Rai]] |{{flagicon|CHN}} [[Cui Jie (tennis)|Cui Jie]] <br>{{flagicon|KOR}} [[Lee Duck-hee]] |6–2, 6–2 |- |bgcolor=FFA07A|Loss |<small>15–15</small> |{{dts|May 2024}} |style=background:#cffcff|M25 Anning, China |style=background:#cffcff|WTT |Clay |{{flagicon|CHN}} [[Cui Jie (tennis)|Cui Jie]] |{{flagicon|TPE}} Jeffrey Chuan En Hsu <br>{{flagicon|KOR}} Woobin Shin |6–2, 3–6, [5–10] |- |bgcolor=FFA07A|Loss |<small>15–16</small> |{{dts|May 2024}} |style=background:#cffcff|M25 Baotou, China |style=background:#cffcff|WTT |Clay (i) |{{flagicon|CHN}} [[Cui Jie (tennis)|Cui Jie]] |{{flagicon|CHN}} Te Rigele <br>{{flagicon|USA}} Evan Zhu |3–6, 6–2, [6–10] |- |bgcolor=FFA07A|Loss |<small>15–17</small> |{{dts|Jul 2024}} |style="background:#cffcff;"|M25 Tianjin, China |style="background:#cffcff;"|WTT |Hard |{{flagicon|KOR}} [[Chung Yun-seong]] |{{flagicon|TPE}} Hsu Yu-hsiou <br>{{flagicon|JPN}} Ryotaro Taguchi |6–3, 3–6, [12–14] |- |bgcolor=98FB98|Win |<small>16–17</small> |{{dts|Oct 2024}} |style="background:#cffcff;"|M25 Qian Daohu, China |style="background:#cffcff;"|WTT |Hard |{{flagicon|CHN}} Te Rigele |{{flagicon|CHN}} Zheng Baoluo <br>{{flagicon|TPE}} [[Hsieh Cheng-peng]] |6–3, 3–6, [10–3] |- |bgcolor=FFA07A|Loss |<small>16–18</small> |{{dts|Oct 2025}} |style="background:#cffcff;"|M25 Qian Daohu, China |style="background:#cffcff;"|WTT |Hard |{{flagicon|CHN}} Fnu Nidunjianzan |{{flagicon|UZB}} [[Sergey Fomin (tennis)|Sergey Fomin]] <br>{{flagicon|ESP}} Ignasi Forcano |2–6, 4–6 |}
==References== {{reflist}}
==External links== * {{ATP}} * {{ITF}} * {{Davis Cup|new_id=2f62ffcf-83c3-4432-a308-0dfdb2e0a1b7}}
{{Top male singles tennis players by country|CHN}}
{{DEFAULTSORT:Sun, Fajing}} [[Category:1996 births]] [[Category:Living people]] [[Category:Chinese male tennis players]] [[Category:Tennis players from Shanxi]]