Masato Shiga defeated Yusuke Watanuki 7-6 7-5 in the Japan F5 semi-final on hard. The result followed the form book — Masato Shiga came in leading the head-to-head 2–0. Masato Shiga extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-04-04 | Japan F5 | R32 | hard | Masato Shiga | 7-6(5) 6-4 |
| 2013-03-11 | Japan F1 | R32 | hard | Masato Shiga | 6-1 6-4 |
Averages over each player's completed matches in the selected window (4 vs 8). 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