Sho Shimabukuro defeated Takuto Niki 7-5 6-3 in the M15 Kofu 1 semi-final on hard. The upset overturned the form book — Takuto Niki came in leading the head-to-head 1–0. Sho Shimabukuro claimed a first win over Takuto Niki in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-03-27 | Japan F4 | R16 | hard | Takuto Niki | 6-7(4) 6-3 7-6(5) |
Averages over each player's completed matches in the selected window (200 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