Sergio Roitman defeated Federico Dondo 3-6 6-4 7-6 in the Brazil F1 round of 32 on clay. The upset overturned the form book — Federico Dondo came in leading the head-to-head 1–0. Sergio Roitman claimed a first win over Federico Dondo in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-04-20 | Argentina F1 | QF | clay | Federico Dondo | 6-2 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.