Patricio Donati defeated Federico Dondo 7-5 6-3 in the Uruguay Masters 3 round of 32 on clay. The upset overturned the form book — Federico Dondo came in leading the head-to-head 3–0. Patricio Donati claimed a first win over Federico Dondo in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-05-02 | Chile 2 Masters 3 | R32 | clay | Federico Dondo | 6-3 6-2 |
| 1995-09-30 | Argentina 3 Masters 3 | R16 | clay | Federico Dondo | 6-4 6-2 |
| 1994-08-13 | Argentina 3 Masters 4 | R32 | clay | Federico Dondo | 6-4 6-4 |