Ricardo Schlachter defeated Sebastian Weisz 6-4 6-3 in the Brazil 1 Masters 2 qualifying round on clay. The upset overturned the form book — Sebastian Weisz came in leading the head-to-head 1–0. Ricardo Schlachter claimed a first win over Sebastian Weisz in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-11-22 | Brazil 5 Masters 2 | R16 | clay | Sebastian Weisz | 7-6 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.