G. J. Kim defeated Yeongseok Jeong 6-1 2-6 6-4 in the M25 Daegu 1 round of 16 on hard. G. J. Kim extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-08-09 | M15 Tianjin 2 | Q64 | hard | G. J. Kim | 6-4 6-4 |
| 2019-06-26 | M15 Anseong 1 | R32 | clay | Yeongseok Jeong | 6-3 6-1 |
Averages over each player's completed matches in the selected window (25 vs 68). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About