Ali Collins defeated Almudena Sanz Llaneza Fernandez 6-2 6-0 in the W15 Melilla 1 round of 16 on clay. The upset overturned the form book — Almudena Sanz Llaneza Fernandez came in leading the head-to-head 1–0, but Ali Collins had been the form player, winning 3 of their last 5 on clay. Ali Collins claimed a first win over Almudena Sanz Llaneza Fernandez in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-06-12 | W15 Amarante 1 | R32 | hard | Almudena Sanz Llaneza Fernandez | 6-7(4) 6-4 7-5 |