Costanza Traversi defeated Vlada Katic 6-4 7-5 in the W15 Antalya 8 q64 on clay. The upset overturned the form book — Vlada Katic came in leading the head-to-head 1–0. Costanza Traversi claimed a first win over Vlada Katic in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-03-01 | W15 Antalya 9 | Q32 | clay | Vlada Katic | 6-4 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.