Karolina Wlodarczak defeated Sacha Jones 6-4 6-2 in the Perth 25K round of 16 on hard. The upset overturned the form book — Sacha Jones came in leading the head-to-head 2–0, but Karolina Wlodarczak had been the form player, winning 1 of their last 5 on hard. Karolina Wlodarczak claimed a first win over Sacha Jones in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-11-22 | Traralgon 25K | R16 | hard | Sacha Jones | 6-1 6-0 |
| 2006-10-09 | Melbourne 25K | R32 | hard | Sacha Jones | 6-1 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.