Courtney Nagle defeated Paula Catalina Robles Garcia 1-6 6-1 6-2 in the Mazatlan 10K round of 32 on hard. The upset overturned the form book — Paula Catalina Robles Garcia came in leading the head-to-head 1–0. Courtney Nagle claimed a first win over Paula Catalina Robles Garcia in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-04-23 | Obregon 10K | R16 | hard | Paula Catalina Robles Garcia | 7-5 3-6 7-6(6) |