Cerundolo Advances in Rio; Rublev Reaches Qatar Quarterfinals; Michelsen Upsets De Minaur in Los Cabos
Rio Open presented by Claro—Brazil Second-round results: Francisco Cerundolo (4) Defeats Albert Ramos-Vinolas 6-2, 6-1Joao Fonseca Defeats Arthur Fils (7) 6-0, 6-4 ***** Qatar ExxonMobil Open—Qatar Second-round results: Andrey Rublev (1) Defeats Richard Gasquet 6-3, 6-4Karen Khachanov (2) Defeats Fabian Marozsan 6-4, 7-5Ugo Humbert (3) Defeats Pavel Kotov 6-4, 6-1Alexander Bublik (4) Defeats Marton Fucsovics…