Paulo Carvallo defeated Florian Allgauer 1-6 7-6 7-5 in the Chile 1 Masters 2 round of 32 on clay. The upset overturned the form book — Florian Allgauer came in leading the head-to-head 1–0, but Paulo Carvallo had been the form player, winning 2 of their last 6 on clay. Paulo Carvallo claimed a first win over Florian Allgauer in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-04-04 | Chile 1 Masters 4 | R32 | clay | Florian Allgauer | 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.