Tyler Mercier defeated Jorge Brian Panta Herreros 6-4 6-4 in the M15 Cancun 4 round of 32 on hard. The upset overturned the form book — Jorge Brian Panta Herreros came in leading the head-to-head 3–0. Tyler Mercier claimed a first win over Jorge Brian Panta Herreros in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-10-16 | M15 Cancun 26 | R32 | hard | Jorge Brian Panta Herreros | 3-6 6-4 6-3 |
| 2019-09-10 | M15 Cancun 22 | R32 | hard | Jorge Brian Panta Herreros | 6-4 6-2 |
| 2019-04-16 | M15 Cancun 5 | Q16 | hard | Jorge Brian Panta Herreros | 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.