Marvin Barker defeated Sebastien Vidal 6-7 7-5 6-3 in the Mexico F4 round of 32 on hard. The upset overturned the form book — Sebastien Vidal came in leading the head-to-head 1–0. Marvin Barker claimed a first win over Sebastien Vidal in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-09-19 | Mexico F11 | R32 | hard | Sebastien Vidal | 6-0 2-0 |