Jiri Novak defeated Tommy Haas 6-4 7-6 in the Halle quarter-final on grass. The upset overturned the form book — Tommy Haas came in leading the head-to-head 4–1. Jiri Novak narrowed the head-to-head to 4–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-06-06 | Halle | R32 | grass | Tommy Haas | 6-4 6-1 |
| 2004-10-18 | Madrid Masters | R32 | clay | Tommy Haas | 6-1 6-4 |
| 2001-10-08 | Vienna | R16 | hard | Tommy Haas | 7-6(3) 6-3 |
| 2001-08-27 | US Open | R32 | hard | Tommy Haas | 6-3 6-4 6-2 |
| 2000-05-08 | Rome Masters | R64 | clay | Jiri Novak | 7-6(5) 7-6(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 (128 vs 200). ATP, WTA & Challenger.