Woo Hyeok Jang defeated Sung Jun Park 6-4 6-3 in the Gwangju CH qualifying round 1 on hard. The result followed the form book — Woo Hyeok Jang came in leading the head-to-head 1–0. Woo Hyeok Jang extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-09-07 | Korea F7 | Q32 | clay | Woo Hyeok Jang | 6-1 6-2 |
Averages over each player's completed matches in the selected window (1 vs 14). 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. Small sample — read as indicative. About