Jose Maria Paniagua defeated Juan Ignacio Galarza 3-6 7-6 6-4 in the Argentina F14 round of 16 on clay. The upset overturned the form book — Juan Ignacio Galarza came in leading the head-to-head 1–0. Jose Maria Paniagua claimed a first win over Juan Ignacio Galarza in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-05-20 | Argentina F7 | Q16 | clay | Juan Ignacio Galarza | 6-2 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.