Oscar Jose Gutierrez defeated Mateus Alves 6-2 6-2 in the Brazil F3 round of 16 on clay.
Gutierrez O. took it in straight sets.
Oscar Jose Gutierrez beat Mateus Alves 6-2 6-2. Umpiry, "Oscar Jose Gutierrez vs Mateus Alves — Brazil F3 Round of 16", https://umpiry.com/match/2018-05-07/alves-vs-gutierrez-brazil-f3-r16?utm_source=cite (as of 7 May 2018).