The Ukrainian picked the former World No.8 to work alongside her longtime coach Andrew Bettles.
Coach Goran Ivanisevic on why we'll see even more fire from Novak Djokovic.
Ajla Tomljanovic has replaced the injured Amanda Anisimova in exhibition event.
Danielle Collins' Oracle Challenger success was a spring board to her career best.
David Ferrer believes 2020 will be the year of Rafa.
US Open finalist will face former Australian Open semifinalist on December 19th.
US Open champion makes history as first tennis player to win Lou Marsh Trophy.
