Julia Vakulenko defeated Flavia Pennetta 6-4 6-4 in the Canberra quarter-final on hard. The upset overturned the form book — Flavia Pennetta came in defending last year's quarter-final. Julia Vakulenko extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-06-23 | Wimbledon | R128 | grass | Flavia Pennetta | 6-3 6-4 |
| 2007-05-07 | Berlin | R64 | grass | Julia Vakulenko | 6-3 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 (66 vs 200). ATP, WTA & Challenger.