Sang Yeop Kim defeated Seung Jae Lee 7-6 6-3 in the Korea F2 q32 on hard. The upset overturned the form book — Seung Jae Lee came in leading the head-to-head 1–0, but Sang Yeop Kim had been the form player, winning 3 of their last 6 on hard. Sang Yeop Kim claimed a first win over Seung Jae Lee in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-06-10 | Korea F6 | Q16 | hard | Seung Jae Lee | 6-1 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.