Sebastian Eguez defeated Keaton Cullimore 6-2 6-4 in the M15 Cancun 26 round of 32 on hard. The upset overturned the form book — Keaton Cullimore came in leading the head-to-head 1–0. Sebastian Eguez claimed a first win over Keaton Cullimore in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-10-07 | M15 Cancun 25 | Q32 | hard | Keaton Cullimore | 6-4 7-6(5) |