Shuichi Sekiguchi defeated Issei Okamura 6-1 6-0 in the M25 Matsuyama 1 round of 16 on hard. The result followed the form book — Shuichi Sekiguchi came in leading the head-to-head 2–0. Shuichi Sekiguchi extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-03-07 | M25 Mildura 1 | R16 | grass | Shuichi Sekiguchi | 6-3 3-6 6-2 |
| 2016-04-11 | China F5 | R16 | hard | Shuichi Sekiguchi | 6-2 6-2 |
Averages over each player's completed matches in the selected window (50 vs 5). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About