Cesar Ramirez defeated Luis Diaz Barriga 6-2 6-3 in the Mexico F12 round of 16 on clay. The result followed the form book — Cesar Ramirez came in leading the head-to-head 2–0. Cesar Ramirez extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-10-26 | Mexico F12 | R16 | hard | Cesar Ramirez | 6-1 3-0 |
| 2009-05-11 | Mexico F5 | QF | hard | Cesar Ramirez | 6-0 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.