Bumpei Sato defeated Chieh Fu Wang 4-6 6-2 7-6 in the Japan F5 round of 16 on clay. The result followed the form book — Bumpei Sato came in leading the head-to-head 2–0. Bumpei Sato extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-06-18 | Japan F6 | R32 | grass | Bumpei Sato | 6-0 6-4 |
| 2012-04-16 | Chinese Taipei F2 | R32 | hard | Bumpei Sato | 6-3 6-3 |
Averages over each player's completed matches in the selected window (5 vs 9). 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