Vlada Katic defeated Costanza Traversi 6-4 6-3 in the W15 Antalya 9 qualifying round of 32 on clay. The upset overturned the form book — Costanza Traversi came in leading the head-to-head 1–0, but Vlada Katic had been the form player, winning 3 of their last 7 on clay. Vlada Katic claimed a first win over Costanza Traversi in two meetings, levelling the head-to-head at 1–1.
Katic V. took it in straight sets.
Vlada Katic beat Costanza Traversi 6-4 6-3. Umpiry, "Vlada Katic vs Costanza Traversi — W15 Antalya 9 Qualifying Round of 32", https://umpiry.com/match/2021-03-01/katic-vs-traversi-w15-antalya-9-q32?utm_source=cite (as of 1 March 2021).