Nicolas Kiefer defeated Tommy Haas 6-3 7-6 in the Canada Masters round of 16 on hard. Nicolas Kiefer extended the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-05-02 | Rome Masters | R64 | clay | Nicolas Kiefer | 6-3 6-1 |
| 2004-07-12 | Los Angeles | F | hard | Tommy Haas | 7-6(6) 6-4 |
| 2000-06-26 | Wimbledon | R128 | grass | Tommy Haas | 5-7 6-4 6-2 6-3 |
| 1998-05-25 | Roland Garros | R128 | clay | Nicolas Kiefer | 6-1 6-2 7-6(3) |
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.