Issei Okamura defeated Amit Vales 6-3 6-3 in the M15 Nakhon Si Thammarat 4 round of 16 on hard. The upset overturned the form book — Amit Vales came in ranked #680, leading the head-to-head 1–0. Issei Okamura claimed a first win over Amit Vales in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-08-09 | M25 Herzlia 1 | R32 | hard | Amit Vales | 6-4 3-6 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.
Vales A.: 1 day rest · 2 matches, 35 games (7d). Higher means fresher. About