The ITF could unveil new format in April, 2020, BBC reports.
The Serb reached the round of 16 at a Masters 1000 for the first time on Monday at Indian Wells.
Venus says world shares reaction to Serena.
Roger Federer is hoping his friend and compatriot is back in the Top 10 soon.
The Canadian was close to tears in press talking about his former coach Bruno Agostinelli Jr.
Roger Federer won't be revisiting the Tour when he retires.
Kei Nishikori rallied for a thrilling Indian Wells comeback.