Anna Kalinskaya defeated Bernarda Pera 6-2 6-1 in the Brisbane round of 64 on hard. The upset overturned the form book — Bernarda Pera came in leading the head-to-head 1–0, but Anna Kalinskaya had been the form player, winning 3 of their last 6 on hard. Anna Kalinskaya claimed a first win over Bernarda Pera in two meetings, levelling the head-to-head at 1–1.
Kalinskaya A. took it in straight sets.
Kalinskaya A. and Pera B. faced 4 of the same opponents in the last 12 months. Kalinskaya A. went 1–3 (25%) against them, Pera B. 0–4 (0%). Results against comparable opponents are close (1 : 0 better-results split).
Only 4 common opponents — small sample, treat as indicative.
Anna Kalinskaya beat Bernarda Pera 6-2 6-1. Umpiry, "Anna Kalinskaya vs Bernarda Pera — Brisbane Round of 64", https://umpiry.com/match/2024-01-01/kalinskaya-vs-pera-brisbane-r64?utm_source=cite (as of 1 January 2024).