John Van Lottum defeated Tommy Haas 6-3 6-3 6-3 in the Wimbledon round of 32 on grass. The upset overturned the form book — Tommy Haas came in leading the head-to-head 2–0, defending last year's round of 64. John Van Lottum claimed a first win over Tommy Haas in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-08-27 | US Open | R128 | hard | Tommy Haas | 6-2 6-2 7-6(5) |
| 2000-02-04 | Davis Cup WG R1: GER vs NED | RR | carpet | Tommy Haas | 4-6 7-6(4) 6-3 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 (145 vs 200). ATP, WTA & Challenger.