Sam Schroerlucke defeated Tiago Sousa 6-3 6-0 in the Mexico 1 Masters 4 round of 16 on hard. The upset overturned the form book — Tiago Sousa came in leading the head-to-head 1–0. Sam Schroerlucke claimed a first win over Tiago Sousa in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-07-24 | Mexico 1 Masters 3 | R16 | hard | Tiago Sousa | 7-6 4-6 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.