Masato Shiga defeated Takashi Saito 7-6 6-7 6-1 in the Japan F4 round of 16 on hard. The upset overturned the form book — Takashi Saito came in leading the head-to-head 1–0. Masato Shiga claimed a first win over Takashi Saito in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-06-17 | Japan F6 | R32 | carpet | Takashi Saito | 6-3 6-2 |
Averages over each player's completed matches in the selected window (59 vs 65). 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