Zverev, Sabalenka open with easy wins at Madrid Open

IMAGE: Germany's Alexander Zverev celebrates winning his Round of 64 match against Spain's Roberto Bautista-Agut in the Madrid Open, at Park Manzanares, Madrid, Spain, on Friday. Photograph: Juan......

Mensik's Miami miracle: From quitting to beating Djokovic

IMAGE: Jakub Mensik with his parents Katerina and Michal. Photograph: Geoff Burke-Imagn Images/Reuters Jakub Mensik claimed the first title of his career with a 7-6(4), 7-6(4) win over......

Tennis wrap: Rublev shocked by qualifier Halys in Dubai

IMAGE: France's Quentin Halys reacts during his Round of 32 match against Russia's Andrey Rublev at the Dubai Tennis Stadium, UAE, on Tuesday. Photograph: Rula Rouhana/Reuters Third seed Andrey......

PIX: Zverev beats Bautista Agut; Medvedev powers on

IMAGE: Germany's 13th seed Alexander Zverev won his second match in as many days in his first appearance on the red dirt since the Roland Garros drama. Photograph: Clive Brunskill/Getty Images......

PIX: US, Spain seal Davis Cup last eight berths

A summary of Friday's action in the Davis Cup group stage matches. IMAGE: Mackenzie McDonald of the United States celebrates winning his Davis Cup Group C match against Slovakia's Lukas Klein, at......