Roger Federer has been both teammate and advisor for Belinda Bencic.
Upset in singles, world No. 1 aims to win doubles crown with partner Fabio Fognini.
Simona Halep shed tears after bowing to Marketa Vondrousova.
Meditation has helped Bianca Andreescue build her break-out season.
"I want to try to suffer less," says world No. 2.
The Canadian broke the mold with a very different type of post-match on-court interview.
The ITF could unveil new format in April, 2020, BBC reports.