Yuhei Kono defeated Yunseok Jang 0-6 6-3 10-8 in the M15 Daegu 1 q64 on hard. The upset overturned the form book — Yunseok Jang came in ranked #1165, leading the head-to-head 2–0, but Yuhei Kono had been the form player, winning 5 of their last 10 on hard. Yuhei Kono claimed a first win over Yunseok Jang in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-07-08 | M15 Tokyo 2 | Q32 | hard | Yunseok Jang | 6-2 1-6 10-7 |
| 2024-07-01 | M15 Tokyo 1 | Q32 | hard | Yunseok Jang | 6-4 3-6 10-4 |