Roger Federer left shattered after Australian Open upset
The former World Number 1 has reportedly "massive regrets" following shock defeat against Greece's Stefanos Tsitsipas
Australian star athletes join forces for the Nike Vapor X ‘KYRIE 5’
Nick Kyrgios and Kyrie Irving debut the tennis x basketball hybrid ahead of huge year of sport
The Australian Open could be Andy Murray’s last, as he announces shock retirement
On the eve of the Australian Open, the former number 1 breaks down in press conference