Jason Jung
American tennis player (born 1989)
Jason Jung Country (sports) United States (2003–2015) Taiwan (2015–present) Residence Torrance, California , U.S.Born (1989-06-15 ) 15 June 1989 (age 37) Torrance, California, U.S.
Height 1.80 m (5 ft 11 in) Turned pro 2011 Plays Right-handed (two-handed backhand) College Michigan Coach Oliver Messerli Prize money US $1,193,753 Career record 12–25 Career titles 0 Highest ranking No. 114 (30 July 2018) Current ranking No. 893 (3 August 2026) Australian Open Q2 (2019 , 2020 ) French Open 1R (2020 ) Wimbledon 1R (2018 ) US Open 1R (2020 ) Career record 2–3 Career titles 0 Highest ranking No. 170 (3 August 2026) Current ranking No. 170 (3 August 2026) Last updated on: 3 August 2026.
Jason Jung (born June 15, 1989) is a professional tennis player. He has a career high ATP singles ranking of world No. 114 achieved on 30 July 2018 and a doubles ranking of No. 170 achieved on 3 August 2026. He has won four ATP Challenger titles. Jung has attended the University of Michigan .
Personal life
Jung played college tennis at the University of Michigan , where he majored in political science. As a tennis player, he was the National and Midwest Regional winner of the ITA/Arthur Ashe Award for Leadership & Sportsmanship in 2010. Jung made the All Big Ten team as a junior and senior is the fourth all-time in Michigan history in career doubles wins.
Jung makes blogs about his experiences and his life as a professional tennis player. He was featured in an article by ESPN subsidiary Grantland – together with fellow Michigan alum Evan King as well as then-upcoming players Frances Tiafoe and William Blumberg ) – that displayed the struggles and low prize money in playing on the ITF Futures Tour.
Career
Jung reached his first quarterfinal at the 2018 Hall of Fame Tennis Championships in Newport, Rhode Island. He defeated veteran Nicolas Mahut in the second round, but his run was ended by Tim Smyczek , who outlasted Jung 6–1, 5–7, 6–4 in a nearly two-hour, 185-point quarterfinal match.
His career-best result is a semifinal berth at the 2020 New York Open , where he defeated former champion and world No. 5 Kevin Anderson in the first round, followed by seventh seed Cameron Norrie in the second, before upsetting defending champion and third seed Reilly Opelka in the quarterfinals. Jung was eliminated in the semifinals by Italian veteran Andreas Seppi in straight sets.
ATP Challenger and ITF Tour finals
Singles: 20 (8–12)
Legend (singles)
ATP Challenger Tour (4–6)
ITF Futures/World Tennis Tour (4–6)
Titles by surface
Hard (8–11)
Clay (0–1)
Grass (0–0)
Carpet (0–0)
Result
W–L
Date
Tournament
Tier
Surface
Opponent
Score
Win
1–0
Jul 2012
USA F21, Godfrey
Futures
Hard
César Ramírez
2–6, 7–5, 6–2
Loss
1–1
May 2013
China F4, Fuzhou
Futures
Hard
Bai Yan
3–6, 2–4 ret.
Win
2–1
Aug 2013
USA F22, Edwardsville
Futures
Hard
Dimitar Kutrovsky
6–2, 7–6(7–5)
Loss
2–2
Sep 2013
Canada F7, Toronto
Futures
Clay
Peter Polansky
1–6, 1–6
Loss
2–3
Mar 2014
USA F9, Calabasas
Futures
Hard
Marcos Giron
4–6, 6–4, 4–6
Loss
2–4
Nov 2014
Thailand F10, Bangkok
Futures
Hard
Danai Udomchoke
3–6, 4–6
Loss
2–5
Jan 2015
USA F2, Los Angeles
Futures
Hard
Mitchell Krueger
1–6, 2–6
Win
3–5
Apr 2015
USA F13, Little Rock
Futures
Hard
Darian King
6–3, 4–6, 6–4
Loss
3–6
Apr 2015
Guadalajara , Mexico
Challenger
Hard
Rajeev Ram
1–6, 2–6
Loss
3–7
Jun 2016
Canada F3, Richmond
Futures
Hard
Peter Polansky
1–6, 4–6
Win
4–7
Aug 2016
Chengdu , China, P.R.
Challenger
Hard
Rubén Ramírez Hidalgo
6–4, 6–2
Loss
4–8
Sep 2016
Shanghai , China, P.R.
Challenger
Hard
Henri Laaksonen
3–6, 3–6
Win
5–8
Sep 2017
Zhangjiagang , China, P.R.
Challenger
Hard
Zhang Ze
6–4, 2–6, 6–4
Win
6–8
Feb 2018
San Francisco , USA
Challenger
Hard (i)
Dominik Koepfer
6–4, 2–6, 7–6(7–5)
Loss
6–9
Jul 2018
Winnetka , USA
Challenger
Hard
Evgeny Karlovskiy
3–6, 2–6
Loss
6–10
Sep 2018
Zhangjiagang , China, P.R.
Challenger
Hard
Yasutaka Uchiyama
2–6, 2–6
Win
7–10
May 2019
Gwangju , Korea, Rep.
Challenger
Hard
Dudi Sela
6–4, 6–2
Loss
7–11
Aug 2019
Vancouver , Canada
Challenger
Hard
Ričardas Berankis
3–6, 7–5, 4–6
Win
8–11
Jun 2023
M25 Jakarta , Indonesia
World Tour
Hard
Dominik Palán
6–2, 6–2
Loss
8–12
Aug 2023
Zhuhai , China
Challenger
Hard
Arthur Weber
3–6, 7–5, 3–6
Doubles: 16 (12–4)
Legend (doubles)
ATP Challenger Tour (4–3)
ITF Futures Tour (8–1)
Titles by surface
Hard (9–3)
Clay (3–1)
Grass (0–0)
Carpet (0–0)
Result
W–L
Date
Tournament
Tier
Surface
Partner
Opponents
Score
Win
1–0
Aug 2012
Canada F5, Mississauga
Futures
Hard
Evan King
Kamil Pajkowski Milan Pokrajac
6–4, 6–2
Win
2–0
Nov 2012
USA F31, Niceville
Futures
Clay
Ryan Thacher
Artem Sitak Andrei Vasilevski
7–5, 6–2
Win
3–0
Dec 2012
Hong Kong F1, Hong Kong
Futures
Hard
Ryan Thacher
Victor Baluda Evgeny Karlovskiy
6–1, 6–1
Win
4–0
May 2013
Korea F1, Seoul
Futures
Hard
Daniel Nguyen
Chung Hong Noh Sang-woo
7–5, 6–1
Win
5–0
Sep 2013
Canada F8, Toronto
Futures
Hard
Evan King
Milan Pokrajac Peter Polansky
7–5, 6–2
Win
6–0
Jan 2014
USA F2, Sunrise
Futures
Clay
Evan King
William Blumberg Frances Tiafoe
6–7(4–7) , 6–4, [10–6]
Loss
6–1
Jan 2014
USA F3, Weston
Futures
Clay
Evan King
Markus Eriksson Milos Sekulic
7–6(7–5) , 6–7(4–7) , [15–17]
Loss
6–2
Jun 2014
Tianjin , China, P.R.
Challenger
Hard
Evan King
Robin Kern Josselin Ouanna
7–6(7–3) , 5–7, [8–10]
Win
7–2
Jan 2016
Maui , USA
Challenger
Hard
Dennis Novikov
Alex Bolt Frank Moser
6–3, 4–6, [10–8]
Win
8–2
May 2016
Bangkok , Thailand
Challenger
Hard
Chen Ti
Dean O'Brien Ruan Roelofse
6–4, 3–6, [10–8]
Win
9–2
Jul 2016
Canada F4, Kelowna
Futures
Hard
John Paul Fruttero
Jarryd Chaplin Ben McLachlan
6–4, 7–6(7–4)
Loss
9–3
Oct 2021
Las Vegas , USA
Challenger
Hard
Evan King
William Blumberg Max Schnur
5–7, 7–6(7–5) , [5–10]
Loss
9–4
Sep 2025
Shanghai , China
Challenger
Hard
Reese Stalder
Pruchya Isaro Niki Kaliyanda Poonacha
4–6, 7–6(7–2) , [8–10]
Win
10–4
Mar 2026
M15 Hinode , Japan
World Tennis Tour
Hard
Kaito Uesugi
Shinji Hazawa Masamichi Imamura
5–7, 7–5, [10–7]
Win
11–4
Apr 2026
Wuning , China
Challenger
Hard
Kaito Uesugi
Keegan Smith Zheng Baoluo
6–7(3–7) , 6–3, [10–6]
Win
12–4
Jun 2026
Bad Rappenau , Germany
Challenger
Clay
Kaito Uesugi
Tim Rühl Mick Veldheer
7–6(7–4) , 2–6, [12–10]
Key
W
F
SF
QF
#R
RR Q#
DNQ
A
NH
(W) winner; (F) finalist; (SF) semifinalist; (QF) quarterfinalist; (#R) rounds 4, 3, 2, 1; (RR) round-robin stage; (Q#) qualification round; (DNQ) did not qualify; (A) absent; (NH) not held; (SR) strike rate (events won / competed); (W–L) win–loss record.
To avoid confusion and double counting, these charts are updated at the conclusion of a tournament or when the player's participation has ended.
References
↑ "Men's Tennis: Jason Jung" . University of Michigan . Archived from the original on June 22, 2017. Retrieved August 10, 2016 .
↑ "Jason Jung" . Jason Jung Tennis . Retrieved August 10, 2016 .
↑ Wachter, Paul (February 5, 2014). "The Futures Is Bleak" . Grantland . Retrieved November 8, 2025 .
↑ Gobis, Peter (July 19, 2018). "Big Things Brewing for Smyczek in Newport" . The Sun Chronicle . Triboro Massachusetts News Media.
↑ "Kevin Anderson ousted by qualifier Jason Jung at New York Open" . ESPN . February 11, 2020. Retrieved October 30, 2024 .
↑ "Taiwan's Jason Jung falls in semi-final in New York" . Taipei Times . The Liberty Times Group. February 17, 2024. Retrieved October 30, 2024 .