Yong Kyu Lim defeated Young Jun Kim 6-4 6-4 in the Korea Rep F4 round of 16 on hard. Yong Kyu Lim extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-05-20 | Korea F3 | R16 | hard | Yong Kyu Lim | 7-5 7-6(4) |
| 2011-05-16 | Korea F1 | F | hard | Young Jun Kim | 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.