When Roger Federer makes a pinky promise, it's a game-changer for one young fan.
Yoshihito Nishioka on why he rates Nick Kyrgios' service game as the best in the sport.
John Isner says it's ridiculous Novak Djokovic isn't permitted to play US Open as of now.
The Russian is back on hard courts for the first time since spring.
"The ultimate goal that stays there for me is to absolutely come back to top 10," Grigor Dimitrov said.
Karolina Pliskova, John Isner, Barbora Krejcikova and Diego Schwartzman will sport new styles on court.
"I definitely feel like I'm playing [Top20] tennis. If not top 10, top 5 at the moment," says Nick Kyrgios.
