Yunseok Jang defeated Ryota Tanuma 6-2 6-4 in the M15 Tokyo 1 round of 32 on hard. Yunseok Jang claimed a first win over Ryota Tanuma in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-09-05 | M25 Sapporo 1 | R32 | hard | Ryota Tanuma | 6-4 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.