Benjamin Mitchell defeated Marvin Barker 6-4 6-1 in the Australia F4 round of 32 on clay.
Mitchell B. took it in straight sets.
Benjamin Mitchell beat Marvin Barker 6-4 6-1. Umpiry, "Benjamin Mitchell vs Marvin Barker — Australia F4 Round of 32", https://umpiry.com/match/2011-04-04/barker-vs-mitchell-australia-f4-r32?utm_source=cite (as of 4 April 2011).