Takuto Niki defeated Issei Okamura 3-6 6-2 6-2 in the Kobe CH qualifying round 1 on hard. The upset overturned the form book — Issei Okamura came in leading the head-to-head 2–0, but Takuto Niki had been the form player, winning 2 of their last 7 on hard. Takuto Niki claimed a first win over Issei Okamura in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2022-09-28 | M25 Kashiwa 1 | R32 | hard | Issei Okamura | 6-3 7-6(3) |
| 2013-04-01 | Japan F4 | SF | hard | Issei Okamura | 7-6(5) 2-6 6-4 |
Averages over each player's completed matches in the selected window (132 vs 177). 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