Serena Williams defeated Catalina Castano 6-2 6-2 in the US Open round of 64 on hard.
Williams S. took it in straight sets.
Williams S. and Castano C. faced 5 of the same opponents in the last 12 months. Williams S. went 3–2 (60%) against them, Castano C. 2–3 (40%). Results against comparable opponents are close (1 : 1 better-results split).
Serena Williams beat Catalina Castano 6-2 6-2. Umpiry, "Serena Williams vs Catalina Castano — US Open Round of 64", https://umpiry.com/match/2005-08-29/castano-vs-williams-us-open-r64?utm_source=cite (as of 29 August 2005).