Agustin Calleri defeated Guillermo Canas 7-6 6-4 in the Costa Do Sauipe quarter-final on hard. The upset overturned the form book — Guillermo Canas came in leading the head-to-head 5–1. Agustin Calleri narrowed the head-to-head to 5–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-10-15 | Madrid Masters | R32 | clay | Guillermo Canas | 6-3 3-6 7-5 |
| 2007-04-23 | Barcelona | SF | clay | Guillermo Canas | 7-6 6-7 6-2 |
| 2007-02-12 | Costa Do Sauipe | QF | hard | Guillermo Canas | 7-6 6-1 |
| 2004-01-19 | Australian Open | R64 | hard | Guillermo Canas | 6-1 4-6 2-6 7-6 6-4 |
| 2002-07-08 | Bastad | QF | clay | Agustin Calleri | 6-3 7-5 |
| 1995-08-05 | Argentina B Masters 2 | SF | clay | Guillermo Canas | 6-0 6-2 |
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
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About