Facundo Manzanares defeated Jose Maria Paniagua 6-7 7-5 6-3 in the Argentina F24 round of 32 on clay. The upset overturned the form book — Jose Maria Paniagua came in leading the head-to-head 1–0. Facundo Manzanares claimed a first win over Jose Maria Paniagua in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-08-12 | Argentina F14 | R32 | clay | Jose Maria Paniagua | 7-5 6-2 |