Daisuke Sumizawa defeated Kazuki Shimizu 6-2 6-2 in the M15 Nishi-Tama 1 qualifying round of 32 on hard. The upset overturned the form book — Kazuki Shimizu came in leading the head-to-head 1–0. Daisuke Sumizawa claimed a first win over Kazuki Shimizu in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-04-09 | M25 Matsuyama 1 | Q16 | hard | Kazuki Shimizu | 3-6 6-4 10-6 |
Averages over each player's completed matches in the selected window (200 vs 6). ATP, WTA & Challenger.
wins 54% of points on serve vs Sumizawa D.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About