Issei Okamura defeated Rimpei Kawakami 6-2 6-4 in the Japan F2 round of 32 on hard. The upset overturned the form book — Rimpei Kawakami came in leading the head-to-head 1–0. Issei Okamura claimed a first win over Rimpei Kawakami in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-03-13 | M15 Nishi-Tokyo 1 | R32 | hard | Rimpei Kawakami | 6-2 6-1 |
Averages over each player's completed matches in the selected window (170 vs 132). 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