Conor Pollock defeated Luis Diaz Barriga 6-4 2-6 6-4 in the Mexico F10 round of 16 on hard. The upset overturned the form book — Luis Diaz Barriga came in leading the head-to-head 1–0. Conor Pollock claimed a first win over Luis Diaz Barriga in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-07-27 | USA F19 | R16 | hard | Luis Diaz Barriga | 3-6 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.