Marne Dercksen defeated Katya Ramirez 6-4 4-6 10-5 in the W15 Cancun 11 q16 on hard. The upset overturned the form book — Katya Ramirez came in leading the head-to-head 1–0. Marne Dercksen claimed a first win over Katya Ramirez in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-05-27 | W15 Cancun 10 | Q16 | hard | Katya Ramirez | 6-4 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.