Felipe Mantilla defeated Miguel Gallardo Valles 7-6 6-4 in the Mexico F14 round of 32 on hard. The upset overturned the form book — Miguel Gallardo Valles came in leading the head-to-head 2–0. Felipe Mantilla claimed a first win over Miguel Gallardo Valles in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-05-14 | Mexico F7 | R32 | hard | Miguel Gallardo Valles | 6-2 6-2 |
| 2011-08-01 | Ecuador F4 | R16 | hard | Miguel Gallardo Valles | 7-6(1) 7-6(3) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.