Rebecca Peterson defeated Samantha Stosur 7-5 7-5 in the Rome qualifying round 2 on clay.
Peterson R. took it in straight sets.
Peterson R. and Stosur S. faced 3 of the same opponents in the last 12 months. Peterson R. went 1–3 (25%) against them, Stosur S. 2–1 (67%). Only 2 of the comparisons are context-comparable — too few for a conclusion.
Only 3 common opponents — small sample, treat as indicative.
Rebecca Peterson beat Samantha Stosur 7-5 7-5. Umpiry, "Rebecca Peterson vs Samantha Stosur — Rome Qualifying Round 2", https://umpiry.com/match/2019-05-13/peterson-vs-stosur-rome-q2?utm_source=cite (as of 13 May 2019).