Anna Tatishvili defeated Klara Koukalova 7-6 7-5 in the Cincinnati round of 64 on hard. The upset overturned the form book — Klara Koukalova came in defending last year's round of 64.
Tatishvili A. took it in straight sets.
Tatishvili A. and Koukalova K. faced 5 of the same opponents in the last 12 months. Tatishvili A. went 1–4 (20%) against them, Koukalova K. 5–3 (63%). Koukalova K. came out clearly better against 3 of 5 comparable opponents, Tatishvili A. against 0.
Anna Tatishvili beat Klara Koukalova 7-6 7-5. Umpiry, "Anna Tatishvili vs Klara Koukalova — Cincinnati Round of 64", https://umpiry.com/match/2012-08-13/koukalova-vs-tatishvili-cincinnati-r64?utm_source=cite (as of 13 August 2012).