Hermes Gamonal defeated Marcos Daniel 6-4 0-6 6-3 in the Chile F7 semi-final on clay. The upset overturned the form book — Marcos Daniel came in leading the head-to-head 3–0. Hermes Gamonal claimed a first win over Marcos Daniel in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-04-10 | Chile 1 Masters 2 | SF | clay | Marcos Daniel | 7-5 6-0 |
| 1998-09-14 | Peru F3 | R32 | clay | Marcos Daniel | 7-5 7-6 |
| 1996-09-07 | Peru Bolivia Masters 4 | R32 | clay | Marcos Daniel | 7-5 6-7 6-1 |
Averages over each player's completed matches in the selected window (7 vs 81). 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