Dong Hak Sin defeated Seung Jae Lee 6-3 2-6 7-6 in the Korea F2 q32 on hard. The result followed the form book — Dong Hak Sin came in leading the head-to-head 1–0. Dong Hak Sin extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-06-10 | Korea F6 | R32 | hard | Dong Hak Sin | 6-3 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.