Cesar Ramirez defeated Matheson Klein 6-4 6-0 in the Mexico F5 qualifying round on hard. 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 |
|---|---|---|---|---|---|
| 2013-09-30 | Mexico F13 | R32 | hard | Cesar Ramirez | 6-4 6-4 |
| 2010-11-22 | Mexico F10 | SF | hard | Cesar Ramirez | 6-1 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.