Gaston Gaudio defeated Agustin Calleri 4-6 6-3 6-2 in the Mallorca semi-final on grass. The upset overturned the form book — Agustin Calleri came in leading the head-to-head 2–1, defending last year's quarter-final. Gaston Gaudio narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-07-24 | Kitzbuhel | QF | clay | Agustin Calleri | 7-5 6-0 |
| 2003-05-05 | Rome Masters | R32 | clay | Gaston Gaudio | 6-4 6-2 |
| 2003-02-24 | Acapulco | R16 | hard | Agustin Calleri | 7-6(5) 7-6(5) |
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.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About