Ryusuke Horiuchi defeated Ko Suzuki 6-2 3-6 6-3 in the M25 Sapporo 2 round of 16 on hard. Ryusuke Horiuchi extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-09-15 | M25 Takasaki 1 | Q32 | hard | Ryusuke Horiuchi | 7-6(3) 6-4 |
| 2024-09-08 | M25 Sapporo 2 | Q32 | hard | Ko Suzuki | 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.