Karolina Pliskova defeated Ajla Tomljanovic 6-3 6-3 in the Rome round of 32 on clay. The upset overturned the form book — Ajla Tomljanovic came in defending last year's round of 64. Karolina Pliskova extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-09-04 | US Open | R32 | hard | Karolina Pliskova | 6-3 6-2 |
| 2011-03-07 | Clearwater FL 25K | QF | hard | Ajla Tomljanovic | 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.