Horacio Zeballos defeated Jonathan Gonzalia 6-4 7-6 in the Uruguay F2 round of 16 on clay. The upset overturned the form book — Jonathan Gonzalia came in leading the head-to-head 2–0. Horacio Zeballos claimed a first win over Jonathan Gonzalia in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-05-26 | Italy F15 | R16 | clay | Jonathan Gonzalia | 6-7(5) 6-3 6-3 |
| 2005-05-09 | Argentina F5 | R16 | clay | Jonathan Gonzalia | 7-6(5) 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.