Mari Osaka, older sister of Naomi Osaka, alleges abuse from their father in a candid Instagram post then deletes her social media.
The King of Clay's comeback has been temporarily delayed due to a new injury.
Rajeev Ram and Austin Krajicek also selected by captain Bob Bryan.
"In ideal world, is just the muscle supercharged after a few days of effort and a very tough match," Rafael Nadal said of hip pain in his Brisbane loss..
The Bulgarian shows off his streamlined looks for the famous French brand.
Injury forces the two-time AO semifinalist out of Melbourne.
"It's true that we have to see it in more difficult matches, but at the moment things are going better than we expected," Toni Nadal said of Rafael Nadal's comeback.