Alexandre Schnitman defeated Matheson Klein 3-6 6-4 6-1 in the Mexico F9 qualifying round on hard. The upset overturned the form book — Matheson Klein came in leading the head-to-head 1–0. Alexandre Schnitman claimed a first win over Matheson Klein in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-01-28 | Mexico F2 | R16 | hard | Matheson Klein | 4-6 7-6(2) 6-3 |