Ognjen Samardzic defeated Javier Herrera Eguiluz 6-4 5-7 6-4 in the Mexico F4 q32 on hard. The upset overturned the form book — Javier Herrera Eguiluz came in leading the head-to-head 1–0. Ognjen Samardzic claimed a first win over Javier Herrera Eguiluz in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-01-28 | Mexico F2 | Q32 | hard | Javier Herrera Eguiluz | 6-1 6-0 |