Marcos Vinicius Dias defeated Mario Becerra 6-3 6-0 in the USA F3 qualifying round of 32 on clay.
Dias M. took it in straight sets.
Marcos Vinicius Dias beat Mario Becerra 6-3 6-0. Umpiry, "Marcos Vinicius Dias vs Mario Becerra — USA F3 Qualifying Round of 32", https://umpiry.com/match/2013-01-21/becerra-vs-dias-usa-f3-q32?utm_source=cite (as of 21 January 2013).