Sania Mirza defeated Karolina Sprem 6-4 6-2 in the US Open round of 128 on hard.
Mirza S. took it in straight sets.
Mirza S. and Sprem K. faced 3 of the same opponents in the last 12 months. Mirza S. went 2–3 (40%) against them, Sprem K. 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.
Sania Mirza beat Karolina Sprem 6-4 6-2. Umpiry, "Sania Mirza vs Karolina Sprem — US Open Round of 128", https://umpiry.com/match/2006-08-28/mirza-vs-sprem-us-open-r128?utm_source=cite (as of 28 August 2006).