Match log updated: 2026-05-28 18:14 UTC
Jason Jung — ATP Match Log
Main draw matches: 8 | W: 2 | L: 6 | Win %: 25.0%
| Opponent | Score | Result | H2H | Match Data | Date ↓ | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|---|
| Dominik Koepfer | 3-6 7-6(4) 4-6 | L | H2H | Match data | Sep 30, 2019 | Q1 | China Open | ATP 500 | Hard |
| Bradley Klahn | 6-4 3-6 6-7(2) | L | H2H | Match data | Sep 26, 2019* | R32 | Chengdu Open | ATP 250 | Hard |
| Luke Saville | 6-4 6-2 | W | H2H | Match data | Sep 23, 2019 | Q2 | Chengdu Open | ATP 250 | Hard |
| Akira Santillan | 7-5 3-6 7-6(2) | W | H2H | Match data | Sep 23, 2019 | Q1 | Chengdu Open | ATP 250 | Hard |
| Jiri Vesely | 4-6 7-5 5-7 | L | H2H | Match data | Aug 27, 2019* | Q2 | US Open | Grand Slam | Hard |
| Donald Young | 6-3 6-7(4) 7-5 | W | H2H | Match data | Aug 26, 2019 | Q1 | US Open | Grand Slam | Hard |
| Ernests Gulbis | 4-6 6-7(2) | L | H2H | Match data | Jul 31, 2019* | R32 | Los Cabos Open | ATP 250 | Hard |
| Danilo Petrovic | 6-4 7-6(4) | W | H2H | Match data | Jul 29, 2019 | Q2 | Los Cabos Open | ATP 250 | Hard |
| Gerardo Lopez Villasenor | 6-1 3-6 6-0 | W | H2H | Match data | Jul 29, 2019 | Q1 | Los Cabos Open | ATP 250 | Hard |
| Daniel Evans | 1-6 1-6 | L | H2H | Match data | Jul 25, 2019* | R32 | Atlanta | ATP 250 | Hard |
| Donald Young | 6-1 7-6(4) | W | H2H | Match data | Jul 22, 2019 | Q2 | Atlanta | ATP 250 | Hard |
| Alex Bolt | 7-6(6) 6-3 | W | H2H | Match data | Jul 22, 2019 | Q1 | Atlanta | ATP 250 | Hard |
| Viktor Troicki | 6-3 5-7 5-7 | L | H2H | Match data | Jul 18, 2019* | R32 | Newport | ATP 250 | Grass |
| Roberto Quiroz | 6-7(5) 6-7(0) | L | H2H | Match data | Jul 1, 2019 | Q1 | Wimbledon | Grand Slam | Grass |
| Marcos Giron | 2-6 7-5 2-6 | L | H2H | Match data | Jun 10, 2019 | Q1 | Libéma Open | ATP 250 | Grass |
| Casper Ruud | 6-7(4) 5-7 | L | H2H | Match data | Mar 20, 2019* | Q1 | Miami Open | Masters 1000 | Hard |
| Prajnesh Gunneswaran | 5-7 4-6 | L | H2H | Match data | Mar 7, 2019* | Q1 | Indian Wells Open | Masters 1000 | Hard |
| Steve Johnson | 6-7(3) 4-6 | L | H2H | Match data | Feb 21, 2019* | R32 | Delray Beach Open | ATP 250 | Hard |
| Sam Querrey | 3-6 6-3 3-6 | L | H2H | Match data | Feb 16, 2019* | QF | Dallas Open | ATP 250 | Hard |
| Frances Tiafoe | 6-3 7-5 | W | H2H | Match data | Feb 15, 2019* | R16 | Dallas Open | ATP 250 | Hard |
| Ramkumar Ramanathan | 6-3 3-6 6-1 | W | H2H | Match data | Feb 14, 2019* | R32 | Dallas Open | ATP 250 | Hard |
| Hiroki Moriya | 2-6 3-6 | L | H2H | Match data | Jan 15, 2019* | Q2 | Australian Open | Grand Slam | Hard |
| Gian Marco Moroni | 3-6 6-1 7-6(7) | W | H2H | Match data | Jan 14, 2019 | Q1 | Australian Open | Grand Slam | Hard |
| Saketh Myneni | 1-6 7-5 2-6 | L | H2H | Match data | Dec 31, 2018 | Q1 | Pune | ATP 250 | Hard |
16 qualifying matches shown in the table; qualifying is excluded from main-draw summaries and leaderboards. Estimated from the tournament schedule where an exact match date is unavailable. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Mapping details.