Petra Kvitova defeated Svetlana Kuznetsova 4-6 6-2 6-3 in the RUS vs CZE round robin on hard.
Kvitova P. came through in three sets.
Kvitova P. and Kuznetsova S. faced 13 of the same opponents in the last 12 months. Kvitova P. went 19–3 (86%) against them, Kuznetsova S. 9–6 (60%). Kvitova P. came out better against 5 of 13 comparable opponents, Kuznetsova S. against 1 — though 1 of those edges carries caveats (retirement).
Petra Kvitova beat Svetlana Kuznetsova 4-6 6-2 6-3. Umpiry, "Petra Kvitova vs Svetlana Kuznetsova — RUS vs CZE Round Robin", https://umpiry.com/match/2011-11-05/kuznetsova-vs-kvitova-rus-vs-cze-rr?utm_source=cite (as of 5 November 2011).