Agustin Calleri defeated Stefan Koubek 6-2 7-6 in the Rome Masters round of 64 on clay. The upset overturned the form book — Stefan Koubek came in leading the head-to-head 2–1. Agustin Calleri narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-01-14 | Australian Open | R64 | hard | Stefan Koubek | 6-3 7-6(6) 7-6(5) |
| 2007-07-30 | Sopot | R32 | clay | Stefan Koubek | 0-6 7-6(3) 7-5 |
| 2003-05-05 | Rome Masters | R64 | clay | Agustin Calleri | 6-2 6-2 |
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