The Spaniard worked with Sumyk for nearly four years and won two major titles during that period.
The Women's quarter-finals are set for Tuesday at the All England Club and there's also doubles, mixed, legends and juniors.
A Grand Slam thrashing was a major learning lesson for Roger Federer.
Former No. 1 on what Novak, Roger and Rafa mean to her.
Seven-time Wimbledon champion feeling fit and fired-up ahead of quarterfinal.
Top seed philosophical after Wimbledon defeat that could cost her the world No. 1 ranking.
The Italian gave himself a critical pep talk during his third round victory over Diego Schwartzman.
