Kazuma Kawachi defeated Shu Saito 6-1 6-4 in the Japan F3 qualifying round of 32 on hard. The upset overturned the form book — Shu Saito came in leading the head-to-head 1–0. Kazuma Kawachi claimed a first win over Shu Saito in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-06-10 | Japan F5 | Q32 | clay | Shu Saito | 6-0 5-7 7-6(5) |
Averages over each player's completed matches in the selected window (159 vs 1). ATP, WTA & Challenger.
wins 59% of points on serve vs Kawachi K.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. Small sample — read as indicative. About