Andrea Petkovic defeated Karolina Pliskova 7-5 6-2 in the Cincinnati qualifying round of 32 on hard.
Petkovic A. took it in straight sets.
Petkovic A. and Pliskova K. faced 2 of the same opponents in the last 12 months. Petkovic A. went 1–1 (50%) against them, Pliskova K. 0–2 (0%).
Only 2 common opponents — too few for any conclusion. Shown without assessment.
Andrea Petkovic beat Karolina Pliskova 7-5 6-2. Umpiry, "Andrea Petkovic vs Karolina Pliskova — Cincinnati Qualifying Round of 32", https://umpiry.com/match/2013-08-11/petkovic-vs-pliskova-cincinnati-q32?utm_source=cite (as of 11 August 2013).