Hugo Ruiz Rodriguez defeated M. Arce Fernandez 6-4 6-2 in the M15 Castellon 1 q64 on clay. The upset overturned the form book — M. Arce Fernandez came in leading the head-to-head 1–0, but Hugo Ruiz Rodriguez had been the form player, winning 4 of their last 8 on clay. Hugo Ruiz Rodriguez claimed a first win over M. Arce Fernandez in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-09-16 | M15 Melilla 1 | Q16 | clay | M. Arce Fernandez | 6-7(4) 7-5 10-3 |