Yuichi Ito defeated Takuto Niki 6-2 3-6 7-5 in the Japan F3 round of 16 on hard. The upset overturned the form book — Takuto Niki came in leading the head-to-head 3–0. Yuichi Ito claimed a first win over Takuto Niki in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-04-03 | Japan F5 | R32 | hard | Takuto Niki | 6-3 6-4 |
| 2015-03-30 | Japan F4 | R16 | hard | Takuto Niki | 6-1 6-4 |
| 2015-03-09 | Japan F1 | SF | hard | Takuto Niki | 7-6(5) 6-3 |
Averages over each player's completed matches in the selected window (23 vs 92). 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