Park Ui-sung
| Country (sports) | South Korea |
|---|---|
| Born | 27 September 2000 Seoul, South Korea |
| Plays | Right-handed (two-handed backhand) |
| Prize money | $66,025 |
| Singles | |
| Career record | 0–0 (at ATP Tour level, Grand Slam level, and in Davis Cup) |
| Career titles | 0 |
| Highest ranking | No. 546 (26 June 2023) |
| Current ranking | No. 712 (2 March 2026) |
| Grand Slam singles results | |
| Australian Open Junior | 1R (2018) |
| French Open Junior | 2R (2017) |
| Wimbledon Junior | 1R (2017) |
| US Open Junior | 3R (2017) |
| Doubles | |
| Career record | 1–1 (at ATP Tour level, Grand Slam level, and in Davis Cup) |
| Career titles | 0 |
| Highest ranking | No. 213 (2 March 2026) |
| Current ranking | No. 213 (2 March 2026) |
| Grand Slam doubles results | |
| French Open Junior | 2R (2017) |
| Wimbledon Junior | 2R (2017) |
| US Open Junior | 1R (2017) |
| Last updated on: 2 March 2026. | |
| Park Ui-sung | |
| Hangul | 박의성 |
|---|---|
| RR | Bak Uiseong |
| MR | Pak Ŭisŏng |
Park Ui-sung (Korean: 박의성; born 27 September 2000) is a South Korean tennis player. He has a career-high ranking of No. 546 achieved on 26 June 2023 and a doubles ranking of No. 213 achieved on 2 March 2026.
Park has a career high ITF junior combined ranking of No. 3 achieved on 1 January 2018.
Challenger and World Tennis Tour Finals
Singles: 4 (2-2)
|
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| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
|---|---|---|---|---|---|---|---|
| Loss | 0–1 | Mar 2022 | M15 Sharm El Sheikh, Egypt | World Tennis Tour | Hard | Saba Purtseladze | 4–6, 4–6 |
| Win | 1–1 | Sep 2022 | M15 Daegu, South Korea | World Tennis Tour | Hard | Kim Cheong-Eui | 6–3, 6–4 |
| Win | 2–1 | Jun 2023 | M25 Daegu, South Korea | World Tennis Tour | Hard | Lee Jea-moon | 6–3, 7–5 |
| Loss | 2–2 | May 2025 | M15 Daegu, South Korea | World Tennis Tour | Hard | Nam Ji-sung | 1–6, 2–6 |
Doubles: 23 (11–12)
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|
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
|---|---|---|---|---|---|---|---|---|
| Loss | 0–1 | Dec 2018 | Turkey F38, Antalya | Futures | Clay | Jeong Yeong-Seok | Wilson Leite Jeroen Vanneste |
2-6, 2-6 |
| Loss | 0–2 | May 2019 | M15 Cairo, Egypt | World Tennis Tour | Clay | Jeong Yeong-Seok | Alexander Igoshin Bernardo Saraiva |
6-4, 2-6, [4–10] |
| Loss | 0–3 | Jun 2019 | M15 Anseong, South Korea | World Tennis Tour | Clay | Jeong Yeong-Seok | Haru Inoue Ryota Tanuma |
(W/O) |
| Win | 1–3 | Jun 2021 | M15 Monastir, Tunisia | World Tennis Tour | Hard | Siddhant Banthia | Jeremy Beale Ajeet Rai |
(W/O) |
| Loss | 1–4 | Nov 2021 | M15 Heraklion, Greece | World Tennis Tour | Hard | Harry Wendelken | Filip Bergevi Kai Wehnelt |
6–7(8–10), 6–4, [7–10] |
| Loss | 1–5 | Mar 2022 | M15 Sharm El Sheikh, Egypt | World Tennis Tour | Hard | Sergey Fomin | Jiri Barnat Filip Duda |
3–6, 2–6 |
| Loss | 1–6 | Jun 2022 | M15 Tay Ninh, Vietnam | World Tennis Tour | Hard | Son Ji Hoon | Francis Casey Alcantara Lý Hoàng Nam |
3–6, 1–6 |
| Win | 2–6 | Nov 2022 | M25 Sharm El Sheikh, Egypt | World Tennis Tour | Hard | Jeong Yeong-Seok | Jacopo Berrettini Francesco Forti |
6–1, 7–6(11–9) |
| Win | 3–6 | Jun 2023 | M25 Daegu, South Korea | World Tennis Tour | Hard | Jeong Yeong-Seok | Cho Seung Woo Kim Dong Ju |
2–6, 6–0, [10–5] |
| Win | 4–6 | Oct 2024 | M25 Huzhou, China | World Tennis Tour | Hard | Jeong Yeong-seok | Li Zekai Jin Yuquan |
7–6(9–7), 6–1 |
| Loss | 4–7 | Jan 2025 | M25 Bhopal, India | World Tennis Tour | Hard | Jeong Yeong-seok | Chirag Duhan Dev Javia |
6–4, 1–6, [2–10] |
| Win | 5–7 | Mar 2025 | M15 Nonthaburi, Thailand | World Tennis Tour | Hard | Jeong Yeong-seok | Thanapet Chanta Yuttana Charoenphon |
2–6, 6–2, [10–4] |
| Win | 6–7 | Apr 2025 | M15 Lu'an, China | World Tennis Tour | Hard | Jeong Yeong-seok | Hsieh Cheng-peng Yang Mingyuan |
6–4, 3–6, [10–8] |
| Win | 7–7 | May 2025 | M25 Baotou, China | World Tennis Tour | Clay (i) | Jeong Yeong-seok | Jin Yuquan Li Zekai |
6–4, 7–6(7–4) |
| Win | 8–7 | May 2025 | M15 Lu'an, China | World Tennis Tour | Hard | Huang Tsung-hao | Liu Shaoyun Lu Pengyu |
6–1, 7–5 |
| Loss | 8–8 | May 2025 | M15 Daegu, South Korea | World Tennis Tour | Hard | Kwon Soon-woo | Yusuke Kusuhara Shunsuke Nakagawa |
3–6, 4–6 |
| Loss | 8–9 | Jun 2025 | M25 Changwon, South Korea | World Tennis Tour | Hard | Jeong Yeong-seok | Chung Hong Son Ji-hoon |
4–6, 2–6 |
| Loss | 8–10 | Jun 2025 | M25 Luzhou, China | World Tennis Tour | Hard | Jeong Yeong-seok | Luca Castelnuovo Zheng Baoluo |
6–3, 6–7(3–7), [4–10] |
| Win | 9–10 | Jul 2025 | M15 Nakhon Pathom, Thailand | World Tennis Tour | Hard | Wishaya Trongcharoenchaikul | Jake Delaney Ryotaro Taguchi |
7–6(7–5), 2–6, [10–6] |
| Loss | 9–11 | Jul 2025 | Astana, Kazakhstan | Challenger | Hard | Francis Alcantara | Taisei Ichikawa Kokoro Isomura |
5–7, 6–2, [5–10] |
| Win | 10–11 | Aug 2025 | M15 Ma'anshan, China | World Tennis Tour | Hard (i) | Nam Ji-sung | Cho Seong-woo Yang Zijiang |
6–3, 4–6, [10–7] |
| Loss | 10–12 | Sep 2025 | Jingshan, China | Challenger | Clay | Huang Tsung-hao | Anirudh Chandrasekar Reese Stalder |
2–6, 6–2, [7–10] |
| Win | 11–12 | Jan 2026 | Phan Thiết, Vietnam | Challenger | Hard | Nam Ji-sung | Joshua Charlton Iván Marrero Curbelo |
6–4, 6–3 |