Juan Martin del Potro defeated James Blake 6-4 6-7 5-7 6-3 10-8 in the Australian Open round of 64 on hard. The upset overturned the form book — James Blake came in leading the head-to-head 2–1, defending last year's round of 16. Juan Martin del Potro narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-10-17 | Stockholm | R16 | hard | James Blake | 6-4 6-4 |
| 2011-07-25 | Los Angeles | R16 | hard | Juan Martin del Potro | 6-4 7-6(3) |
| 2007-02-26 | Las Vegas | RR | hard | James Blake | 6-1 3-1 RET |
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 109). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About