Katarina Srebotnik advanced when Flavia Pennetta retired 4-6 7-6 in the Zurich qualifying round. That levelled the head-to-head at 2–2.
Srebotnik K. advanced when Pennetta F. retired.
Srebotnik K. and Pennetta F. faced 2 of the same opponents in the last 12 months. Srebotnik K. went 1–1 (50%) against them, Pennetta F. 1–2 (33%).
Only 2 common opponents — too few for any conclusion. Shown without assessment.
Hard: level 1–1 · Clay: level 1–1
Katarina Srebotnik beat Flavia Pennetta 4-6 7-6(1) after Flavia Pennetta retired. Umpiry, "Katarina Srebotnik vs Flavia Pennetta — Zurich Qualifying Round", https://umpiry.com/match/2005-10-17/pennetta-vs-srebotnik-zurich-qf?utm_source=cite (as of 17 October 2005).