Felix Mantilla defeated Agustin Calleri 6-1 1-6 6-4 in the Barcelona round of 32 on clay. The upset overturned the form book — Agustin Calleri came in leading the head-to-head 2–0. Felix Mantilla claimed a first win over Agustin Calleri in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-02-24 | Acapulco | SF | hard | Agustin Calleri | 6-2 6-2 |
| 2000-05-29 | Roland Garros | R128 | clay | Agustin Calleri | 6-2 6-3 6-4 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.