Sofia Costoulas and Tatiana Prozorova have met 1 time; Prozorova leads 1–0. Most recently Prozorova won 5-7, 7-6(2), 6-2 in the first round at Singapore Tennis Open - Singapore on September 22, 2026. By surface: indoor hard 0–1. Costoulas is ranked No. 152, Prozorova No. 180.

Every meeting

From the match records held by our data provider, main tour, Challenger and ITF levels included. Walkovers are not counted as meetings.