Third-seeded Coco Gauff cruised to a 6-0, 6-0 win in 51 minutes against the Netherlands' Arantxa Rus during the second round of the Mutua Madrid Open on Thursday.
Gauff lost...
Two-time Grand Slam champion Garbine Muguruza of Spain announced her retirement Saturday.
Muguruza, who reached No. 1 on Sept. 11, 2017, has not played since...