Woong Sun Jun defeated Hiromasa Oku 6-3 7-6 in the Korea F11 round of 32 on clay. The result followed the form book — Woong Sun Jun came in leading the head-to-head 1–0. Woong Sun Jun extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-09-07 | Korea F7 | R16 | clay | Woong Sun Jun | 6-3 6-3 |
Averages over each player's completed matches in the selected window (3 vs 2). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About