Hiromasa Oku defeated Min Kyu Song 7-6 7-5 in the Japan F2 q16 on hard. The result followed the form book — Hiromasa Oku came in leading the head-to-head 1–0. Hiromasa Oku extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-08-24 | Korea F5 | QF | hard | Hiromasa Oku | 2-6 7-6(7) 0-1 |
Averages over each player's completed matches in the selected window (19 vs 50). 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