Hernan Gumy defeated Gilbert Schaller 6-4 7-6 in the Santiago round of 16 on clay. The upset overturned the form book — Gilbert Schaller came in leading the head-to-head 2–0, defending last year's round of 32. Hernan Gumy claimed a first win over Gilbert Schaller in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1995-10-02 | Valencia | SF | hard | Gilbert Schaller | 5-7 6-0 6-4 |
| 1992-03-16 | Brazil 1 Masters 4 | R16 | clay | Gilbert Schaller | 4-6 6-0 6-1 |
Averages over each player's completed matches in the selected window (124 vs 33). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About