Khololwam Montsi defeated Mario Martinez Serrano 6-3 6-1 in the M15 Fayetteville 1 q16 on hard. The upset overturned the form book — Mario Martinez Serrano came in leading the head-to-head 1–0, but Khololwam Montsi had been the form player, winning 7 of their last 8 on hard. Khololwam Montsi claimed a first win over Mario Martinez Serrano in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-09-19 | M15 Fayetteville 1 | R16 | hard | Mario Martinez Serrano | 7-6(1) 1-6 6-2 |