Yvonne Neuwirth defeated Patricia Haas 6-1 6-4 in the Portschach 10K round of 32 on clay. The result followed the form book — Yvonne Neuwirth came in leading the head-to-head 1–0. Yvonne Neuwirth extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-07-25 | Bad Waltersdorf 10K | R32 | clay | Yvonne Neuwirth | 7-5 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.