Tomas Berdych defeated Grega Zemlja 6-3 6-4 in the London round of 16 on carpet.
Berdych T. took it in straight sets.
Berdych T. and Zemlja G. faced 5 of the same opponents in the last 12 months. Berdych T. went 3–2 (60%) against them, Zemlja G. 1–4 (20%). Berdych T. came out better against 2 of 4 comparable opponents, Zemlja G. against 0 — though 1 of those edges carries caveats (retirement).
Tomas Berdych beat Grega Zemlja 6-3 6-4. Umpiry, "Tomas Berdych vs Grega Zemlja — London Round of 16", https://umpiry.com/match/2013-06-13/berdych-vs-zemlja-london-r16?utm_source=cite (as of 13 June 2013).