The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-05-13 | Gwangju CH | QF | hard | Jason Jung | 3-6 6-1 6-4 |
| 2018-05-14 | Busan CH | R16 | hard | Jason Jung | 7-6(1) 5-7 6-1 |
| 2017-10-16 | Ningbo CH | R32 | hard | Zhe Li | 7-6(6) 6-2 |
| 2016-08-08 | Qingdao CH | R32 | clay | Jason Jung | 7-5 6-4 |
Averages from each player's recent completed matches (20 vs 9). ATP, WTA & Challenger.