Seong Gook Oh defeated Hyun Woo Nam 6-2 6-2 in the Korea F4 round of 32 on hard. The result followed the form book — Seong Gook Oh came in leading the head-to-head 1–0. Seong Gook Oh extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-06-15 | Hong Kong F2 | R16 | hard | Seong Gook Oh | 6-2 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.