Hyeong Jin Cho defeated Seung Jae Lee 6-3 5-7 6-3 in the Korea F1 q32 on hard. The upset overturned the form book — Seung Jae Lee came in leading the head-to-head 1–0. Hyeong Jin Cho 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 | Q32 | hard | Seung Jae Lee | 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.