Former world number one Novak Djokovic's bid for a third Madrid Open title began with a 7-5 6-4 first-round win over Kei Nishikori.

Seventeen-year-old Victoria Duval stunned former champion Sam Stosur to reach the second round of the US Open under the lights at Flushing Meadows last night.

Former British number one Tim Henman believes Andy Murray must find something exceptional to deny Wimbledon’s ’big three’ – and he expects the Scot to come out firing in the second week.

Andy Murray insists that whoever is appointed as his new coach must be prepared to have his advice challenged.

Greg Rusedski has re-appointed friend Sven Groeneveld as his personal coach for the second time.