Chung Yun-seong (Korean: 정윤성; born 27 March 1998) is a South Korean tennis player.

Chung Yun-seong
정윤성
ResidenceYongin, South Korea
Born (1998-03-27) 27 March 1998 (age 26)
Seoul, South Korea
Height1.78 m (5 ft 10 in)
Turned pro2017
PlaysRight-handed (two handed-backhand)
Prize money$222,096
Singles
Career record0–3
Career titles0
Highest rankingNo. 233 (22 July 2019)
Current rankingNo. 369 (15 January 2024)
Grand Slam singles results
US OpenQ1 (2019)
Doubles
Career record1–1
Career titles0
Highest rankingNo. 129 (22 May 2023)
Current rankingNo. 169 (15 January 2024)
Last updated on: 19 January 2024.
Chung Yun-seong
Hangul
정윤성
Revised RomanizationJeong Yunseong
McCune–ReischauerChŏng Yunsŏng

Chung has a career high ATP singles ranking of No. 233 achieved on 22 July 2019. He also has a career high ATP doubles ranking of No. 129 achieved on 22 May 2023. Chung has won three doubles ATP Challenger titles as well as four ITF singles and five doubles titles.

On the junior tour, Chung had a career-high combined ranking of 3 achieved on 21 March 2016. Chung was a semifinalist at the 2016 Australian Open boys' singles event and the 2015 US Open boys' singles event where he fell to both eventual champions Oliver Anderson and Taylor Fritz, respectively. Chung was also a singles finalist at the Osaka Mayor's Cup in 2014.

He and Orlando Luz lost to Yishai Oliel of Israel and Patrik Rikl of the Czech Republic in the final of the 2016 French Open boys' doubles, 6–3, 6–4.[1]

Junior Grand Slam finals

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Doubles: 1 (1 runner-up)

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Outcome Year Championship Surface Partner Opponent Score
Runner-up 2016 French Open Clay   Orlando Luz   Yishai Oliel
  Patrik Rikl
3–6, 4–6

ATP Challenger and ITF Futures/World Tennis Tour finals

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Singles: 8 (4–4)

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Legend
ATP Challenger (0–0)
ITF Futures (4–4)
Finals by surface
Hard (4–4)
Clay (0–0)
Result W–L    Date    Tournament Tier Surface Opponent Score
Loss 0–1 Jun 2014 Korea F6, Gimcheon Futures Hard   Kim Cheong-Eui 2–6, 4–6
Loss 0–2 Aug 2015 Korea F3, Gimcheon Futures Hard   Jung-Woong Na 3–6, 1–6
Loss 0–3 May 2016 China F7, Wuhan Futures Hard   Akira Santillan 1–6, 4–6
Win 1–3 Jun 2018 Korea F2, Gyeongsan Futures Hard   Nam Ji-sung 6–4, 6–3
Win 2–3 Jun 2018 Korea F3, Daegu Futures Hard   Nam Ji-sung 6–1, 6–3
Win 3–3 May 2021 M15 Monastir, Tunisia World Tennis Tour Hard   Aziz Dougaz 6–1, 7–5
Win 4–3 May 2021 M15 Monastir, Tunisia World Tennis Tour Hard   Jeremy Beale 6–4, 6–2
Loss 4–4 Jan 2022 M25 Monastir, Tunisia World Tennis Tour Hard   Harold Mayot 4–6, 6–0, 4–6

Doubles: 25 (14 titles, 11 runner-ups)

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Legend
ATP Challenger (3–5)
ITF Futures (11–6)
Finals by surface
Hard (13–9)
Clay (1–2)
Result W–L    Date    Tournament Tier Surface Partner Opponents Score
Loss 0–1 Aug 2015 Astana, Kazakhstan Challenger Hard   Jurabek Karimov   Konstantin Kravchuk
  Denys Molchanov
2–6, 2–6
Win 1–1 Mar 2016 Japan F2, Tokyo Futures Hard   Soonwoo Kwon   Issei Okamura
  Kento Takeuchi
2–6, 6–2, [10–3]
Loss 1–2 Jun 2016 Korea F2, Sangju Futures Hard   Lim Yong-kyu   Nam Ji-sung
  Song Min-kyu
4–6, 4–6
Loss 1–3 Aug 2016 Thailand F1, Hua Hin Futures Hard   Xin Gao   Chen Ti
  John Paul Fruttero
2–6, 2–6
Win 2–3 Oct 2016 Chinese Taipei F2, Kaohsiung Futures Hard   Patrik Niklas-Salminen   Yu Hsiang Chiu
  Shao-Fan Liu
7–5, 6–4
Win 3–3 Dec 2016 Indonesia F4, Jakarta Futures Hard   Shintaro Imai   Julien Cagnina
  Enzo Couacaud
6–2, 6–4
Win 4–3 Dec 2016 Indonesia F5, Jakarta Futures Hard   Shintaro Imai   Issei Okamura
  Kento Takeuchi
6–2, 3–6, [10–6]
Win 5–3 Feb 2018 Spain F3, Mallorca Futures Clay   Rio Noguchi   Bruno Sant'Anna
  David Vega Hernández
2–6, 7–6(8–6), [10–8]
Win 6–3 Jun 2018 Korea F3, Daegu Futures Hard   Seong Chan Hong   Soonwoo Kwon
  Lim Yong-kyu
walkover
Loss 6–4 Jul 2019 Astana, Kazakhstan Challenger Hard   Nam Ji-sung   Andrey Golubev
  Aleksandr Nedovyesov
4–6, 4–6
Loss 6–5 Feb 2020 M25 Nonthaburi, Thailand World Tennis Tour Hard   Corentin Denolly   Sonchat Ratiwatana
  Sanchai Ratiwatana
6–3, 4–6, [5–10]
Win 7–5 Feb 2020 M25 Aktobe, Kazakhstan World Tennis Tour Hard   Aldin Šetkić   Riccardo Balzerani
  Francesco Forti
6–3, 6–4
Loss 7–6 Feb 2021 M15 Antalya, Turkey World Tennis Tour Clay   Oleksandr Ovcharenko   Max Houkes
  Sidane Pontjodikromo
5–7, 1–6
Win 8–6 May 2021 M15 Monastir, Tunisia World Tennis Tour Hard   Shintaro Imai   Filip Bergevi
  Jonathan Mridha
6–2, 7–6(7–4)
Win 9–6 May 2021 M15 Monastir, Tunisia World Tennis Tour Hard   Shintaro Imai   Aziz Dougaz
  Benjamin Lock
6–3, 6–2
Loss 9–7 Jul 2021 M25 Champaign, United States World Tennis Tour Hard   Rio Noguchi   Ben Shelton
  Eliot Spizzirri
4–6, 0–6
Win 10–7 Jun 2022 Orlando, USA Challenger Hard   Michail Pervolarakis   Malek Jaziri
  Kaichi Uchida
6–7(5–7), 7–6(7–3), [16–14]
Win 11–7 Sep 2022 Nonthaburi, Thailand Challenger Hard   Ajeet Rai   Francis Casey Alcantara
  Christopher Rungkat
6–1, 7–6(8–6)
Loss 11–8 Oct 2022 Seoul, South Korea Challenger Hard   Aleksandar Kovacevic   Kaichi Uchida
  Wu Tung-lin
7–6(7–2), 5–7, [9–11]
Loss 11–9 Jan 2023 Tigre, Argentina Challenger Clay   Christian Langmo   Daniel Dutra da Silva
  Oleg Prihodko
2–6, 2–6
Win 12–9 Feb 2023 Bangalore, India Challenger Hard   Hsu Yu-hsiou   Anirudh Chandrasekar
  Vijay Sundar Prashanth
3–6, 7–6(9–7), [11–9]
Loss 12–10 Apr 2023 M25 Kashiwa, Japan World Tennis Tour Hard   Shintaro Imai   Hsu Yu-hsiou
  Huang Tsung-hao
6–7(5–7), 6–2, [10–12]
Win 13–10 Apr 2023 M25 Jakarta, Indonesia World Tennis Tour Hard   Jeong Yeong-Seok   Makoto Ochi
  Yuta Shimizu
4–6, 7–6(7–1), [10–8]
Loss 13–11 Apr 2023 Seoul, South Korea Challenger Hard   Yuta Shimizu   Max Purcell
  Yasutaka Uchiyama
1–6, 4–6
Win 14–11 Jun 2023 M25 Anseong, South Korea World Tennis Tour Hard   Takeru Yuzuki   Shunsuke Mitsui
  Naoki Tajima
7–6(7–3), 6–4

References

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  1. ^ "Oliel wins first junior tennis grand slam title".
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