Tammi Patterson defeated Isabella Holland 6-2 6-3 in the Perth 25K round of 32 on hard. The upset overturned the form book — Isabella Holland came in leading the head-to-head 2–1. Tammi Patterson narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-02-04 | Launceston 25K | Q16 | hard | Tammi Patterson | 6-1 6-3 |
| 2010-11-15 | Wellington 25K | R16 | hard | Isabella Holland | 5-7 6-3 6-2 |
| 2006-10-09 | Melbourne 25K | R32 | hard | Isabella Holland | 6-1 6-2 |
Averages over each player's completed matches in the selected window (8 vs 1). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. Small sample — read as indicative. About