Yuichi Ito defeated Masato Shiga 6-3 3-6 7-5 in the Japan F3 round of 32 on hard. The upset overturned the form book — Masato Shiga came in leading the head-to-head 3–1. Yuichi Ito narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-09-19 | Vietnam F5 | SF | hard | Masato Shiga | 4-6 6-0 6-0 |
| 2013-06-03 | Guam F1 | SF | hard | Masato Shiga | 4-6 6-0 6-3 |
| 2013-04-01 | Japan F4 | QF | hard | Yuichi Ito | 7-5 6-3 |
| 2012-10-15 | Japan F9 | R32 | hard | Masato Shiga | 6-1 6-4 |
Averages over each player's completed matches in the selected window (56 vs 58). 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