Keisuke Watanuki defeated Koichi Sano 5-7 6-2 6-1 in the Japan F4 q32 on hard. The result followed the form book — Keisuke Watanuki came in leading the head-to-head 1–0. Keisuke Watanuki extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-06-09 | Japan F6 | Q16 | hard | Keisuke Watanuki | 6-4 6-0 |
Averages over each player's completed matches in the selected window (11 vs 8). ATP, WTA & Challenger.
wins 55% of points on serve vs Watanuki K.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About