Czech teenager Jakub Mensik upset Novak Djokovic 7-6 (7/4), 7-6 (7/4) to win the Miami Open at Hard Rock Stadium on Sunday, denying the Serb his 100th career title. The 19-year-old, ranked 54th in ...

A tennis union co-founded by Novak Djokovic announced a series of legal actions aimed at the sport's governing bodies, alleging "anti-competitive restraints and abusive practices". The ...