Ekaterina Alexandrova defeated Maria Camila Osorio Serrano 6-3 7-6 in the Toronto round of 64 on hard. The upset overturned the form book — Maria Camila Osorio Serrano came in leading the head-to-head 2–0, but Ekaterina Alexandrova had been the form player, winning 5 of their last 7 on hard. Ekaterina Alexandrova claimed a first win over Maria Camila Osorio Serrano in three meetings, narrowing the head-to-head to 2–1.
Alexandrova E. took it in straight sets.
Alexandrova E. and Osorio Serrano M. faced 10 of the same opponents in the last 12 months. Alexandrova E. went 5–9 (36%) against them, Osorio Serrano M. 4–9 (31%). Results against comparable opponents are close (3 : 2 better-results split).
Hard: Alexandrova E. leads 1–0 · Clay: Osorio Serrano M. leads 1–0 · Grass: Osorio Serrano M. leads 1–0
Ekaterina Alexandrova beat Maria Camila Osorio Serrano 6-3 7-6(4). Umpiry, "Ekaterina Alexandrova vs Maria Camila Osorio Serrano — Toronto Round of 64", https://umpiry.com/match/2026-08-04/alexandrova-vs-serrano-toronto-r64?utm_source=cite (as of 4 August 2026).