Tereza Valentova defeated Mona Barthel 6-2 6-4 in the US Open qualifying round of 128 on hard. The result followed the form book — Tereza Valentova came in ranked #65.
Valentova T. took it in straight sets.
Valentova T. and Barthel M. faced 3 of the same opponents in the last 12 months. Valentova T. went 3–0 (100%) against them, Barthel M. 3–0 (100%). Only 1 of the comparisons are context-comparable — too few for a conclusion.
Only 3 common opponents — small sample, treat as indicative.
Tereza Valentova beat Mona Barthel 6-2 6-4. Umpiry, "Tereza Valentova vs Mona Barthel — US Open Qualifying Round of 128", https://umpiry.com/match/2025-08-18/barthel-vs-valentova-us-open-q128?utm_source=cite (as of 18 August 2025).