Nicolas Kiefer defeated James Blake 6-1 6-2 in the Canada Masters quarter-final on hard. The upset overturned the form book — James Blake came in leading the head-to-head 4–0, defending last year's round of 32. Nicolas Kiefer claimed a first win over James Blake in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-10-20 | Basel | R32 | hard | James Blake | 3-6 6-3 6-4 |
| 2007-08-13 | Cincinnati Masters | R32 | hard | James Blake | 6-4 6-4 |
| 2005-07-25 | Los Angeles | R32 | hard | James Blake | 3-2 RET |
| 2002-10-07 | Vienna | R16 | hard | James Blake | 6-4 7-6(4) |
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 (69 vs 200). ATP, WTA & Challenger.