James Blake defeated Leonardo Mayer 6-1 6-4 in the Los Angeles round of 32 on hard. The upset overturned the form book — Leonardo Mayer came in leading the head-to-head 1–0, defending last year's semi-final. James Blake claimed a first win over Leonardo Mayer in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-05-25 | Roland Garros | R128 | clay | Leonardo Mayer | 7-6(6) 7-5 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 (109 vs 200). ATP, WTA & Challenger.