Yong Kyu Lim defeated Sun Yong Kim Jr 7-5 6-4 in the China F8 round of 32 on hard. The result followed the form book — Yong Kyu Lim came in leading the head-to-head 3–0. Yong Kyu Lim extended the head-to-head to 4–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-06-03 | Korea F5 | R16 | hard | Yong Kyu Lim | 7-5 6-0 |
| 2010-05-31 | China F5 | R16 | hard | Yong Kyu Lim | 5-7 6-1 6-4 |
| 2009-04-27 | Korean Rep F4 | R32 | hard | Yong Kyu Lim | 6-1 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.