Tommy Haas defeated Nicolas Kiefer 5-7 6-4 6-2 6-3 in the Wimbledon round of 128 on grass. The upset overturned the form book — Nicolas Kiefer came in leading the head-to-head 3–1, defending last year's round of 64. Tommy Haas narrowed 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 |
| 1999-08-02 | Canada Masters | R16 | hard | Nicolas Kiefer | 6-3 7-6(4) |
| 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.