Sebastian Allende defeated Franco Squillari 6-4 7-5 in the Argentina 1 Masters 3 round of 32 on clay. The upset overturned the form book — Franco Squillari came in leading the head-to-head 3–1. Sebastian Allende narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1993-07-17 | Argentina 2 Masters 4 | R32 | clay | Franco Squillari | 6-1 6-1 |
| 1993-04-10 | Argentina 1 Masters 4 | R32 | clay | Sebastian Allende | 6-3 4-6 6-3 |
| 1992-08-10 | Argentina 2 Masters 3 | R16 | clay | Franco Squillari | 6-2 6-3 |
| 1992-08-10 | Argentina 2 Masters 4 | R32 | clay | Franco Squillari | 6-4 5-7 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.