Nick Kyrgios' late withdrawal from United Cup is par for the course suggests Stefanos Tsitsipas.
Runner-up in Davis Cup and Billie Jean Cup in 2022, Australia opens 2023 playing for United Cup.
Iga Swiatek is set for a wire-to-wire run at No. 1 says Martina Navratilova.
Nine-time Australian Open champion on career longevity.
Tennis' answer to "F1: Drive to Survive" is ready to launch.
Rafa Nadal's loss is Sloane Stephens' gain.
The 2009 US Open champion suggests news is coming soon.
