Seung Jae Lee defeated Hyeong Jin Cho 6-3 6-3 in the Korea F6 q32 on hard. The upset overturned the form book — Hyeong Jin Cho came in leading the head-to-head 1–0, but Seung Jae Lee had been the form player, winning 1 of their last 6 on hard. Seung Jae Lee claimed a first win over Hyeong Jin Cho in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-05-18 | Korea F1 | Q32 | hard | Hyeong Jin Cho | 6-3 5-7 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.