Takuto Niki defeated Yusuke Watanuki 5-7 7-5 6-4 in the Japan F7 round of 32 on hard. The result followed the form book — Takuto Niki came in leading the head-to-head 5–0. Takuto Niki extended the head-to-head to 6–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-03-31 | Japan F4 | R16 | hard | Takuto Niki | 6-2 3-2 |
| 2014-03-24 | Japan F3 | F | hard | Takuto Niki | 6-4 6-2 |
| 2013-04-01 | Japan F4 | R32 | hard | Takuto Niki | 6-1 6-2 |
| 2013-03-18 | Japan F2 | R32 | hard | Takuto Niki | 7-5 6-3 |
| 2010-06-14 | Japan F6 | R32 | carpet | Takuto Niki | 3-6 6-4 7-5 |
Averages over each player's completed matches in the selected window (38 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