Tommy Haas defeated Leonardo Mayer 6-4 7-5 in the Washington round of 16 on hard. The result followed the form book — Tommy Haas came in leading the head-to-head 1–0, defending last year's round of 32. Tommy Haas extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-05-25 | Roland Garros | R64 | clay | Tommy Haas | 6-3 7-6(2) 3-6 4-6 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 (172 vs 200). ATP, WTA & Challenger.