Cristian Paiz defeated Rafael Arevalo 7-5 6-4 in the Mexico F5 round of 32 on clay. The upset overturned the form book — Rafael Arevalo came in leading the head-to-head 2–0. Cristian Paiz claimed a first win over Rafael Arevalo in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-05-05 | Mexico F6 | SF | hard | Rafael Arevalo | 6-2 7-6(3) |
| 2006-01-16 | Guatemala F1 | QF | hard | Rafael Arevalo | 6-3 0-6 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.