Maria Sharapova defeated Ai Sugiyama 5-7 7-5 6-1 in the Wimbledon quarter-final on grass. The result followed the form book — Maria Sharapova came in leading the head-to-head 3–0, defending last year's round of 16. Maria Sharapova extended the head-to-head to 4–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-07-27 | Stanford | R32 | hard | Maria Sharapova | 6-4 6-7(6) 6-1 |
| 2007-06-25 | Wimbledon | R32 | grass | Maria Sharapova | 6-3 6-3 |
| 2007-01-29 | Tokyo | QF | hard | Maria Sharapova | 4-6 6-0 6-1 |
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 (198 vs 159). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About