Park Ui-sung

Park Ui-sung
Hangul	박의성
RR	Bak Uiseong
MR	Pak Ŭisŏng

Park Ui-sung
박의성
Country (sports)	South Korea
Born	27 September 2000 (age 25); Seoul, South Korea
Plays	Right-handed (two-handed backhand)
Prize money	$66,879
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 (30 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. 212 (30 March 2026)
Current ranking	No. 212 (30 March 2026)
Grand Slam doubles results
French Open Junior	2R (2017)
Wimbledon Junior	2R (2017)
US Open Junior	1R (2017)
	Last updated on: 30 March 2026.

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. 212 achieved on 30 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: 6 (3-3)

Legend (singles)
ATP Challenger Tour (0-0)
ITF World Tennis Tour (3-3)

Titles by surface
Hard (3–3)
Clay (0-0)
Grass (0–0)
Carpet (0–0)

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
Win	3–2	May 2026	M15 Wuning, China	World Tennis Tour	Hard	Taisei Ichikawa	6–2, 6–3
Loss	3–3	May 2026	M15 Wuning, China	World Tennis Tour	Hard	Jake Delaney	5–7, 4–6

Doubles: 23 (11–12)

Legend (singles)
ATP Challenger Tour (1–2)
ITF World Tennis Tour (10–10)

Titles by surface
Hard (10–8)
Clay (1–4)
Grass (0–0)
Carpet (0–0)

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