Alejandro Aramburu defeated Federico Dondo 4-6 7-5 6-1 in the Argentina F2 semi-final on clay. The upset overturned the form book — Federico Dondo came in leading the head-to-head 3–0. Alejandro Aramburu claimed a first win over Federico Dondo in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-07-16 | Davis Cup G2 SF: PER vs URU | RR | clay | Federico Dondo | 6-2 6-3 6-2 |
| 1998-07-17 | Davis Cup G2 SF: URU vs PER | RR | clay | Federico Dondo | 6-4 6-1 7-5 |
| 1995-04-01 | Argentina 1 Masters 1 | R16 | clay | Federico Dondo | 1-6 6-1 6-1 |