Former world No 1 Andy Murray has announced he has split with coach Ivan Lendl for the second time in his career.
Grigor Dimitrov warmed up for his ATP semi-final with Jack Sock with an electrifying performance against Pablo Carreno Busta on Friday night at The O2 in London.
Britain's Jamie Murray and his partner Bruno Soares cruised into the last four of the ATP Finals by beating Marcelo Melo and Lukasz Kubot.
Johanna Konta is in no rush to appoint a new coach despite the Australian Open starting in just over eight weeks.
David Goffin admits he "doesn't know what to do" in order to beat semi-final opponent Roger Federer at the ATP Finals.
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