US Open PIX: Serena whips Sharapova; easy for Djokovic

Reilly Opelka shocks 11th seed Fabio Fognini to win his first main-draw match at US Open. IMAGE: Serena Williams returns to Maria Sharapova during her first round match on Day 1 of the 2019 US......

Muguruza stars in late, late show at Melbourne Park

'I seriously can't believe there are people watching us at 3:15' IMAGE: Garbine Muguruza of Spain in action against Johanna Konta of Great Britain. Photograph: Julian Finney/Getty Images Garbine......

Federer, Djokovic advance to Shanghai semis

IMAGE: Novak Djokovic of Serbia celebrates his win against Kevin Anderson of South Africa. Photograph: Aly Song/Reuters Top seed and defending champion Roger Federer returned to form to beat......

Tennis Roundup: Federer survives Medvedev scare in Shanghai

IMAGE: Roger Federer of Switzerland celebrates his victory against Daniil Medvedev of Russia. Photograph: Aly Song/Reuters Top seed and defending champion Roger Federer battled past in-form......

Swiss great Martina Hingis announces retirement

'Personally and professionally, but I believe the time has come for me to retire' IMAGE: Martina Hingis will retire from tennis at the end of WTA Finals. Photograph: Twitter Swiss great Martina......