Adriano Ferreira defeated Ricardo Schlachter 6-7 7-6 7-5 in the Brazil 5 Masters 1 round of 16 on clay. The upset overturned the form book — Ricardo Schlachter came in leading the head-to-head 1–0, but Adriano Ferreira had been the form player, winning 4 of their last 9 on clay. Adriano Ferreira claimed a first win over Ricardo Schlachter in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-04-27 | Argentina F2 | QF | clay | Ricardo Schlachter | 6-7 6-2 7-6 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.