Ryota Tanuma defeated Taisei Ichikawa 3-6 7-6 6-2 in the M15 Tokyo 2 quarter-final on hard. Ryota Tanuma extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2022-09-07 | M25 Sapporo 2 | R32 | hard | Ryota Tanuma | 6-0 6-0 |
| 2021-06-01 | M15 Monastir 20 | R32 | hard | Taisei Ichikawa | 7-6(1) 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.