G. J. Kim defeated Yeongseok Jeong 6-4 6-4 in the M15 Tianjin 2 q64 on hard. G. J. Kim extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-06-08 | M25 Daegu 1 | R16 | hard | G. J. Kim | 6-1 2-6 6-4 |
| 2019-06-26 | M15 Anseong 1 | R32 | clay | Yeongseok Jeong | 6-3 6-1 |