Andres Schneiter defeated Martin Vassallo Arguello 6-1 6-4 in the Argentina F3 round of 32 on clay. The upset overturned the form book — Martin Vassallo Arguello came in leading the head-to-head 1–0, but Andres Schneiter had been the form player, winning 2 of their last 4 on clay. Andres Schneiter claimed a first win over Martin Vassallo Arguello in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-03-27 | Argentina F3 | R32 | clay | Martin Vassallo Arguello | 6-1 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.