Rebecca Peterson defeated Caty Mcnally 6-2 6-7 6-4 in the Merida semi-final on hard. The upset overturned the form book — Caty Mcnally came in leading the head-to-head 1–0. Rebecca Peterson claimed a first win over Caty Mcnally in two meetings, levelling the head-to-head at 1–1.
Peterson R. came through in three sets.
Peterson R. and McNally C. faced 3 of the same opponents in the last 12 months. Peterson R. went 1–2 (33%) against them, McNally C. 2–1 (67%). Only 1 of the comparisons are context-comparable — too few for a conclusion.
Only 3 common opponents — small sample, treat as indicative.
Rebecca Peterson beat Caty Mcnally 6-2 6-7 6-4. Umpiry, "Rebecca Peterson vs Caty Mcnally — Merida Semi-final", https://umpiry.com/match/2023-02-20/mcnally-vs-peterson-merida-sf?utm_source=cite (as of 20 February 2023).