Tomas Berdych defeated Leonardo Mayer 6-4 4-6 6-3 6-4 in the CZE vs ARG round robin on hard.
Berdych T. came through in four sets.
Berdych T. and Mayer L. faced 6 of the same opponents in the last 12 months. Berdych T. went 6–3 (67%) against them, Mayer L. 0–6 (0%). Berdych T. came out better against 3 of 4 comparable opponents, Mayer L. against 0.
Tomas Berdych beat Leonardo Mayer 6-4 4-6 6-3 6-4. Umpiry, "Tomas Berdych vs Leonardo Mayer — CZE vs ARG Round Robin", https://umpiry.com/match/2013-09-13/berdych-vs-mayer-cze-vs-arg-rr?utm_source=cite (as of 13 September 2013).