Jim Courier

Davis Cup: USA's Jack Sock, Steve Johnson win doubles to keep quarter-final tie against Australia alive

Jack Sock and Steve Johnson made sure the US would live to fight another day in the Davis Cup when they outlasted the Australian pair 3-6, 6-3, 6-2, 2-6, 6-3.

Australian Open 2017: Watch Roger Federer’s cheeky interview with Jim Courier after semis win

While Roger Federer's on-court form was there for all to see, his off-court form in the interview with Jim Courier also drew a lot of attention.

All you need to know about Nadal conquerer Kyrgios

Kyrgios is the first man to reach the quarter-finals on Wimbledon debut since Florian Mayer in 2004.