I. Gaztambide Arrastia defeated E. Villoslada 7-6 6-4 in the M25 Mungia-Laukariz 1 q16 on clay. The upset overturned the form book — E. Villoslada came in ranked #1298, leading the head-to-head 1–0, but I. Gaztambide Arrastia had been the form player, winning 3 of their last 7 on clay. I. Gaztambide Arrastia claimed a first win over E. Villoslada in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-06-01 | M25 Cordoba 1 | Q64 | clay | E. Villoslada | 7-5 6-2 |