Mariano Sanchez defeated Andres Pedroso 6-0 6-1 in the USA 2 Masters 4 round of 16 on clay. The upset overturned the form book — Andres Pedroso came in leading the head-to-head 1–0. Mariano Sanchez claimed a first win over Andres Pedroso in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-05-16 | USA 2 Masters 2 | R64 | clay | Andres Pedroso | 6-4 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.