Sebastian Weisz defeated Luis Andreotti 6-4 6-1 in the Bolivia Chile Masters 1 round of 32 on clay. The upset overturned the form book — Luis Andreotti came in leading the head-to-head 2–0. Sebastian Weisz claimed a first win over Luis Andreotti in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1992-07-13 | Argentina 1 Masters 1 | R32 | clay | Luis Andreotti | 6-1 6-4 |
| 1991-10-21 | Bolivia Chile Masters 2 | R16 | clay | Luis Andreotti | 6-4 1-6 6-4 |