Monika Wejnert defeated Sally Peers 2-6 6-4 7-5 in the Wellington 25K round of 32 on hard. The upset overturned the form book — Sally Peers came in leading the head-to-head 2–0, but Monika Wejnert had been the form player, winning 1 of their last 4 on hard. Monika Wejnert claimed a first win over Sally Peers in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-11-23 | Kalgoorlie 25K | R16 | hard | Sally Peers | 7-6(2) 6-2 |
| 2009-09-14 | Darwin 25K | R16 | hard | Sally Peers | 7-6(6) 4-6 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.