Seung Jae Lee defeated Sang Yeop Kim 6-1 6-3 in the Korea F6 q16 on hard. The upset overturned the form book — Sang Yeop Kim came in leading the head-to-head 1–0. Seung Jae Lee claimed a first win over Sang Yeop Kim in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-05-25 | Korea F2 | Q32 | hard | Sang Yeop Kim | 7-6(5) 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.