Federico Dondo defeated Patricio Donati 6-4 6-4 in the Argentina 3 Masters 4 round of 32 on clay. The result followed the form book — Federico Dondo came in leading the head-to-head 2–1. Federico Dondo extended 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 |
| 1997-11-01 | Uruguay Masters 3 | R32 | clay | Patricio Donati | 7-5 6-3 |
| 1995-09-30 | Argentina 3 Masters 3 | R16 | clay | Federico Dondo | 6-4 6-2 |