Ryuki Matsuda defeated Koki Matsuda 7-6 7-6 in the M15 Nakhon Si Thammarat 7 round of 16 on hard. The upset overturned the form book — Koki Matsuda came in ranked #516, leading the head-to-head 1–0. Ryuki Matsuda claimed a first win over Koki Matsuda in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-07-09 | M15 Tokyo 4 | R16 | hard | Koki Matsuda | 6-2 7-6 |
Averages over each player's completed matches in the selected window (63 vs 17). ATP, WTA & Challenger.
Matsuda K.: 7 days rest · 1 match, 32 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