Samantha Stosur defeated Dominika Cibulkova 6-4 7-5 in the Tokyo round of 16 on hard. The result followed the form book — Samantha Stosur came in leading the head-to-head 5–2, defending last year's round of 32. Samantha Stosur extended the head-to-head to 6–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-01-07 | Sydney | R32 | hard | Samantha Stosur | 3-6 6-3 6-4 |
| 2018-05-21 | Strasbourg | QF | clay | Dominika Cibulkova | 6-4 6-3 |
| 2017-02-13 | Doha | QF | hard | Dominika Cibulkova | 7-5 6-4 |
| 2014-05-26 | Roland Garros | R32 | clay | Samantha Stosur | 6-4 6-4 |
| 2014-05-05 | Madrid | R64 | clay | Samantha Stosur | 6-4 6-0 |
| 2012-05-28 | Roland Garros | QF | clay | Samantha Stosur | 6-4 6-1 |
| 2009-07-27 | Stanford | R32 | hard | Samantha Stosur | 6-4 6-3 |
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 (197 vs 199). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About