Anhelina Kalinina defeated Maria Camila Osorio Serrano 6-3 7-5 in the Rome qualifying round of 64 on clay. The upset overturned the form book — Maria Camila Osorio Serrano came in defending last year's round of 128. Anhelina Kalinina moved ahead in the head-to-head, 2–1.
Kalinina A. took it in straight sets.
Kalinina A. and Osorio Serrano M. faced 3 of the same opponents in the last 12 months. Kalinina A. went 1–2 (33%) against them, Osorio Serrano M. 1–3 (25%). Only 1 of the comparisons are context-comparable — too few for a conclusion.
Only 3 common opponents — small sample, treat as indicative.
Anhelina Kalinina beat Maria Camila Osorio Serrano 6-3 7-5. Umpiry, "Anhelina Kalinina vs Maria Camila Osorio Serrano — Rome Qualifying Round of 64", https://umpiry.com/match/2026-05-04/kalinina-vs-serrano-rome-q64?utm_source=cite (as of 4 May 2026).