Koki Matsuda defeated Takuya Kumasaka 6-0 6-2 in the M25 Sapporo 2 round of 32 on hard. The upset overturned the form book — Takuya Kumasaka came in ranked #514, leading the head-to-head 1–0, but Koki Matsuda had been the form player, winning 7 of their last 10 on hard. Koki Matsuda claimed a first win over Takuya Kumasaka in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-08-23 | M25 Tainan 2 | R32 | clay | Takuya Kumasaka | 4-0 |
Averages over each player's completed matches in the selected window (20 vs 38). ATP, WTA & Challenger.
Matsuda K.: 8 days rest · 1 match (14d) · Kumasaka T.: 6 days rest · 2 matches, 46 games (7d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About