Federico Herrera Duran defeated Juan Martin 6-1 6-3 in the Chile F4 qualifying round of 64 on clay.
Herrera Duran F. took it in straight sets.
Federico Herrera Duran beat Juan Martin 6-1 6-3. Umpiry, "Federico Herrera Duran vs Juan Martin — Chile F4 Qualifying Round of 64", https://umpiry.com/match/2015-04-13/duran-vs-martin-chile-f4-q64?utm_source=cite (as of 13 April 2015).