Name: Jason Jung
Country: Taipei (CHN)
Birthdate: 15.06.89, 34 years
Height: 173 cm
Weight: 60 kg
Right-handed
ATP ranking: 269
TOP ranking's position: 114 (20.08.18, 483 points)
Points: 217
Prize money: 1147676 $
Matches total: 749
Win: 419
%: 55.94 %
Country: Taipei (CHN)
Birthdate: 15.06.89, 34 years
Height: 173 cm
Weight: 60 kg
Right-handed
ATP ranking: 269
TOP ranking's position: 114 (20.08.18, 483 points)
Points: 217
Prize money: 1147676 $
Matches total: 749
Win: 419
%: 55.94 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2024 | 4/2 | 4/2 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2023 | 42/25 | 40/23 | 0/1 | 2/1 | 0/0 | 0/0 | 0/0 |
| 2022 | 25/28 | 13/14 | 2/5 | 4/4 | 0/0 | 6/5 | 0/0 |
| 2021 | 12/25 | 5/12 | 1/4 | 2/6 | 0/0 | 4/3 | 0/0 |
| 2020 | 16/18 | 7/8 | 2/4 | 7/6 | 0/0 | 0/0 | 0/0 |
| 2019 | 42/32 | 33/22 | 1/1 | 6/4 | 1/1 | 1/4 | 0/0 |
| 2018 | 43/29 | 26/17 | 0/1 | 11/5 | 2/1 | 4/5 | 0/0 |
| 2017 | 22/28 | 14/17 | 4/3 | 2/2 | 0/2 | 2/4 | 0/0 |
| 2016 | 43/23 | 37/18 | 5/3 | 0/1 | 1/1 | 0/0 | 0/0 |
| 2015 | 35/29 | 28/19 | 1/1 | 1/3 | 2/2 | 3/4 | 0/0 |
| 2014 | 46/30 | 35/21 | 2/2 | 8/5 | 1/2 | 0/0 | 0/0 |
| 2013 | 52/25 | 38/17 | 11/5 | 1/1 | 2/1 | 0/1 | 0/0 |
| 2012 | 33/22 | 30/20 | 3/2 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2011 | 0/2 | 0/2 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2009 | 0/2 | 0/1 | 0/0 | 0/1 | 0/0 | 0/0 | 0/0 |
| 2008 | 0/3 | 0/2 | 0/0 | 0/1 | 0/0 | 0/0 | 0/0 |
| 2007 | 4/4 | 3/3 | 0/0 | 1/1 | 0/0 | 0/0 | 0/0 |
| 2006 | 0/2 | 0/2 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2005 | 0/1 | 0/1 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| TOTAL | 419/330 | 313/221 | 32/32 | 45/41 | 9/10 | 20/26 | 0/0 |
| perc. % | 55.94 % | 58.61 % | 50 % | 52.33 % | 47.37 % | 43.48 % | 0 % |
Jason Jung / scheduled / last
| no matches found |
Jason Jung form / year 2019 / surface: Hard
Jason Jung / year 2019 / surface: Hard
| 08.12.19 | fin | Tatsuma Ito | Jason Jung | 7-5, 6-4 |  | match details |  Australian Open | Hard |
| 07.12.19 | 1/2 | Jason Jung | Duckhee Lee | 6-2, 6-1 |  | match details | ||
| 06.12.19 | 1/4 | Jason Jung | Yuki Mochizuki | 6-1, 6-4 | | match details | ||
| 05.12.19 | 1st round | Jason Jung | Jie Cui | 6-3, 6-4 | | match details | ||
| 15.11.19 | 3rd round | Jason Jung | Alexey Vatutin | 7-5, 6-2 | | match details |  Houston Challenger | Hard |
| 15.11.19 | 1/4 | Marcos Giron | Jason Jung | 6-1, 2-6, 6-2 | | match details | ||
| 13.11.19 | 2nd round | Jason Jung | Daniel Nguyen | 6-3, 6-2 | | match details | ||
| 01.11.19 | 1/4 | Frederico Ferreira Silva | Jason Jung | 7-65, 4-6, 6-4 | | match details | Shenzhen Challenger | Hard |
| 31.10.19 | 3rd round | Jason Jung | Tung-Lin Wu | 7-62, 6-4 | | match details | ||
| 29.10.19 | 2nd round | Jason Jung | Bruno Sant'Anna | 6-4, 6-3 | | match details | ||
| 25.10.19 | 1/4 | Borna Gojo | Jason Jung | 7-64, 6-1 | | match details | Liuzhou Challenger | Hard |
| 24.10.19 | 3rd round | Jason Jung | Jie Cui | 7-5, 6-4 | | match details | ||
| 23.10.19 | 2nd round | Jason Jung | Toshihide Matsui | 6-2, 6-2 | | match details | ||
| 15.10.19 | 2nd round | Akira Santillan | Jason Jung | 6-75, 7-65, 7-5 | | match details | Ningboo Challenger | Hard |
| 28.09.19 | q 1 | Dominik Koepfer | Jason Jung | 6-3, 6-74, 6-4 | | match details | Beijing | Hard |
| 23.09.19 | 1st round | Bradley Klahn | Jason Jung | 4-6, 6-3, 7-62 | | match details | Chengdu | Hard |
| 22.09.19 | qual. | Jason Jung | Luke Saville | 6-4, 6-2 | | match details | ||
| 21.09.19 | q 1 | Jason Jung | Akira Santillan | 7-5, 3-6, 7-62 | | match details | ||
| 14.09.19 | Rubber 1 | Jason Jung | Chak Lam Coleman Wong | 6-1, 6-2 | | match details |  Davis Cup | Hard |
| 22.08.19 | q 2 | Jiri Vesely | Jason Jung | 6-4, 5-7, 7-5 | | match details | New York | Hard |
| 20.08.19 | q 1 | Jason Jung | Donald Young | 6-3, 6-74, 7-5 | | match details | ||
| 18.08.19 | fin | Ricardas Berankis | Jason Jung | 6-3, 5-7, 6-4 | | match details |  Vancouver Challenger | Hard |
| 17.08.19 | 1/2 | Jason Jung | Maxime Janvier | 7-5, 7-64 | | match details | ||
| 16.08.19 | 1/4 | Jason Jung | Marc Polmans | 5-7, 6-4, 6-4 | | match details | ||
| 15.08.19 | 3rd round | Jason Jung | Evgeny Donskoy | 4-6, 6-3, 6-4 | | match details | ||
| 13.08.19 | 2nd round | Jason Jung | Ruben Bemelmans | 6-4, 6-2 | | match details | ||
| 29.07.19 | 1st round | Ernests Gulbis | Jason Jung | 6-4, 7-62 | | match details |  Los Cabos | Hard |
| 28.07.19 | qual. | Jason Jung | Danilo Petrovic | 6-4, 7-64 | | match details | ||
| 27.07.19 | q 1 | Jason Jung | Gerardo Lopez Villasenor | 6-1, 3-6, 6-0 | | match details | ||
| 23.07.19 | 1st round | Daniel Evans | Jason Jung | 6-1, 6-1 | | match details | Atlanta | Hard |
| 21.07.19 | qual. | Jason Jung | Donald Young | 6-1, 7-64 | | match details | ||
| 20.07.19 | q 1 | Jason Jung | Alex Bolt | 7-66, 6-3 | | match details | ||
| 12.07.19 | 1/4 | Thanasi Kokkinakis | Jason Jung | 7-64, 6-1 | | match details | Winnetka Challenger | Hard |
| 11.07.19 | 3rd round | Jason Jung | Michail Pervolarakis | 6-2, 6-4 | | match details | ||
| 10.07.19 | 2nd round | Jason Jung | Maximilian Neuchrist | 6-2, 6-2 | | match details | ||
| 19.05.19 | fin | Jason Jung | Dudi Sela | 6-4, 6-2 | | match details |  Gwangju Challenger | Hard |
| 18.05.19 | 1/2 | Jason Jung | Akira Santillan | 6-4, 6-3 | | match details | ||
| 17.05.19 | 1/4 | Jason Jung | Zhe Li | 3-6, 6-1, 6-4 | | match details | ||
| 16.05.19 | 3rd round | Jason Jung | Ruben Bemelmans | 6-2, 7-5 | | match details | ||
| 15.05.19 | 2nd round | Jason Jung | Min-Kyu Song | 6-3, 6-2 | | match details | ||
| 07.05.19 | 2nd round | Akira Santillan | Jason Jung | 6-3, 3-6, 6-2 | | match details | Busan Challenger | Hard |
| 01.05.19 | 2nd round | Akira Santillan | Jason Jung | 6-3, 5-7, 7-63 | | match details | Seoul Challenger | Hard |
| 18.03.19 | q 1 | Casper Ruud | Jason Jung | 7-64, 7-5 | | match details | Miami | Hard |
| 12.03.19 | 1st round | Chun Hsin Tseng | Jason Jung | 3-6, 6-3, 6-2 | | match details | Phoenix Challenger | Hard |
| 05.03.19 | q 1 | Prajnesh Gunneswaran | Jason Jung | 7-5, 6-4 | | match details | Indian Wells | Hard |
| 01.03.19 | 1/4 | Daniel Evans | Jason Jung | 6-4, 6-4 | | match details | Indian Wells | Hard |
| 28.02.19 | 3rd round | Jason Jung | Filip Krajinovic | 7-5, 6-3 | | match details | ||
| 26.02.19 | 2nd round | Jason Jung | Mitchell Krueger | 6-1, 6-4 | | match details | ||
| 19.02.19 | 1st round | Steve Johnson | Jason Jung | 7-63, 6-4 | | match details | Delray Beach | Hard |
| 25.01.19 | 1/4 | Brayden Schnur | Jason Jung | 6-2, 6-1 | | match details | Newport Beach | Hard |
| 24.01.19 | 3rd round | Jason Jung | Dennis Novikov | 4-6, 6-4, 7-5 | | match details | ||
| 22.01.19 | 2nd round | Jason Jung | Santiago Giraldo | 7-65, 7-66 | | match details | ||
| 10.01.19 | q 2 | Hiroki Moriya | Jason Jung | 6-2, 6-3 | | match details |  Melbourne | Hard |
| 08.01.19 | q 1 | Jason Jung | Gian Marco Moroni | 3-6, 6-1, 7-67 | | match details | ||
| 29.12.18 | q 1 | Saketh-Sai Myneni | Jason Jung | 6-1, 5-7, 6-2 | | match details |  Pune | Hard |
