Andres Schneiter defeated Carlos Gomez Diaz 6-0 6-7 6-1 in the Argentina F5 round of 16 on clay. The upset overturned the form book — Carlos Gomez Diaz came in leading the head-to-head 3–1. Andres Schneiter narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-02-26 | Spain 3 Masters 2 | QF | clay | Carlos Gomez Diaz | 6-1 7-6 |
| 1999-02-26 | Spain 3 Masters 3 | SF | clay | Andres Schneiter | 4-6 7-5 7-5 |
| 1996-08-31 | Argentina 2 Masters 1 | SF | clay | Carlos Gomez Diaz | 3-6 6-3 6-1 |
| 1996-08-31 | Argentina 2 Masters 2 | QF | clay | Carlos Gomez Diaz | 6-2 6-4 |