Julia Schruff defeated Flavia Pennetta 6-4 3-6 7-5 in the US Open round of 128 on hard. The upset overturned the form book — Flavia Pennetta came in leading the head-to-head 3–1, defending last year's round of 128. Julia Schruff narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-02-25 | Acapulco | R16 | hard | Flavia Pennetta | 6-2 6-3 |
| 2006-07-17 | Palermo | R32 | clay | Julia Schruff | 6-1 7-5 |
| 2005-10-03 | Filderstadt | R32 | hard | Flavia Pennetta | 7-5 6-2 |
| 2005-02-21 | Acapulco | R32 | hard | Flavia Pennetta | 7-5 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 (53 vs 200). ATP, WTA & Challenger.