Maria Camila Osorio Serrano defeated Anna Kalinskaya 6-1 4-6 6-4 in the Beijing round of 64 on hard. The result followed the form book — Maria Camila Osorio Serrano came in leading the head-to-head 1–0, defending last year's round of 64. Maria Camila Osorio Serrano extended the head-to-head to 2–0.
Osorio Serrano M. came through in three sets.
Osorio Serrano M. and Kalinskaya A. faced 4 of the same opponents in the last 12 months. Osorio Serrano M. went 2–2 (50%) against them, Kalinskaya A. 2–2 (50%). Results against comparable opponents are close (1 : 1 better-results split).
Only 4 common opponents — small sample, treat as indicative.
Hard: Osorio Serrano M. leads 1–0 · Grass: Osorio Serrano M. leads 1–0
Maria Camila Osorio Serrano beat Anna Kalinskaya 6-1 4-6 6-4. Umpiry, "Maria Camila Osorio Serrano vs Anna Kalinskaya — Beijing Round of 64", https://umpiry.com/match/2025-09-27/kalinskaya-vs-serrano-beijing-r64?utm_source=cite (as of 27 September 2025).