Keaton Cullimore defeated Sebastian Eguez 6-4 7-6 in the M15 Cancun 25 q32 on hard. The upset overturned the form book — Sebastian Eguez came in leading the head-to-head 1–0. Keaton Cullimore claimed a first win over Sebastian Eguez in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-10-16 | M15 Cancun 26 | R32 | hard | Sebastian Eguez | 6-2 6-4 |