Guillermo Canas defeated Tommy Haas 7-6 6-2 in the Paris Masters round of 16 on hard. The result followed the form book — Guillermo Canas came in leading the head-to-head 3–2. Guillermo Canas extended the head-to-head to 4–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-06-23 | Wimbledon | R128 | grass | Tommy Haas | 3-6 6-4 6-4 6-4 |
| 2004-10-11 | Vienna | SF | hard | Guillermo Canas | 6-4 6-3 |
| 2004-03-22 | Miami Masters | R128 | hard | Guillermo Canas | 6-1 7-6(6) |
| 2002-07-29 | Canada Masters | SF | hard | Guillermo Canas | 6-4 3-6 7-6(5) |
| 2001-10-08 | Vienna | F | hard | Tommy Haas | 6-2 7-6(6) 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.