Frances Tiafoe points to a simple reason for 12 American men cracking the Top 100.
AO doubles champion on how he hopes to help change the culture of the sport.
The American went deep into his bag of tricks against the Greek on Saturday night in Miami.
The former world No.1 hopes that Ivan Lendl can set him straight on the practice court.
The 20-year-old is ready for the challenge that comes with being on top of the WTA rankings.
"He's unorthodox. He's my polar opposite," Nick Kyrgios said of Jenson Brooksby.
The American believes her battle is a mental one.
