Hiromasa Oku defeated Katsuki Nagao 7-6 5-7 6-1 in the Japan F5 round of 32 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 |
|---|---|---|---|---|---|
| 2014-06-02 | Japan F5 | R16 | clay | Hiromasa Oku | 7-6(4) 7-6(7) |
Averages over each player's completed matches in the selected window (18 vs 16). ATP, WTA & Challenger.
wins 55% of points on serve vs Oku H.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About