Olga Puchkova defeated Angela Haynes 6-3 6-7 7-5 in the Pittsburgh PA 75K round of 32 on hard. The upset overturned the form book — Angela Haynes came in leading the head-to-head 2–1, but Olga Puchkova had been the form player, winning 1 of their last 4 on hard. Olga Puchkova narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-11-06 | Pittsburgh PA 75K | R32 | hard | Olga Puchkova | 6-0 6-2 |
| 2006-05-08 | Indian Harbour Beach FL 50K | R32 | clay | Angela Haynes | 7-6(0) 6-2 |
| 2003-05-26 | Houston TX 10K | SF | hard | Angela Haynes | 6-2 6-2 |
Averages over each player's completed matches in the selected window (67 vs 10). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About