The Japanese megastar has an endorsement empire that just keeps grown.
Two new ATP 250 events, as single-year licenses for the 2021 season, will be staged in Singapore and Marbella.
The German says he wants to go back to his roots.
World No. 21 will wear adidas at Australian Open.
Roberto Bautista Agut says he's sorry for comments "taken out of context."
Despite some grumbling, AO CEO says majority of players support AO protocols.
AO CEO announces match format will not change.