Masaki Sasai defeated Itsuki Imina 6-1 3-6 6-2 in the Japan F4 round of 32 on hard. The upset overturned the form book — Itsuki Imina came in leading the head-to-head 1–0. Masaki Sasai claimed a first win over Itsuki Imina in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-03-24 | Japan F3 | Q16 | hard | Itsuki Imina | 6-4 6-2 |
Averages over each player's completed matches in the selected window (12 vs 4). 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