Samantha Stosur defeated Angelique Kerber 7-6 7-6 in the Brisbane round of 32 on hard. The upset overturned the form book — Angelique Kerber came in leading the head-to-head 6–2. Samantha Stosur narrowed the head-to-head to 6–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-06-24 | Eastbourne | R32 | grass | Angelique Kerber | 6-4 6-4 |
| 2018-02-12 | Doha | R32 | hard | Angelique Kerber | 6-4 6-1 |
| 2016-08-08 | Olympics | R16 | hard | Angelique Kerber | 6-0 7-5 |
| 2015-10-12 | Hong Kong | SF | hard | Angelique Kerber | 6-2 6-2 |
| 2015-05-04 | Madrid | R64 | clay | Samantha Stosur | 4-6 6-3 6-3 |
| 2015-02-07 | Fed Cup WG R1: GER vs AUS | RR | hard | Angelique Kerber | 6-2 6-4 |
| 2014-04-19 | Fed Cup WG SF: AUS vs GER | RR | hard | Angelique Kerber | 4-6 6-0 6-4 |
| 2011-08-29 | US Open | SF | hard | Samantha Stosur | 6-3 2-6 6-2 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (18 vs 107). ATP, WTA & Challenger.