Ilyoung Jeong defeated Sang Yeop Kim 4-6 6-1 6-1 in the Korea F7 qualifying round of 32 on hard. Ilyoung Jeong extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-08-17 | Korea F4 | Q64 | hard | Ilyoung Jeong | 0-6 6-4 6-3 |
| 2014-06-30 | Korea F8 | Q32 | hard | Sang Yeop Kim | 4-6 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.