Novak Djokovic and Andy Murray maybe didn't kick off their partnership with a triumph but Nick Kyrgios still thinks that the Briton did "an incredible job" in his coaching debut. On Friday, the Serb's bid for a record 11th Australian Open title came to an end in an unfortunate way after a muscle tear forced him to retire after losing the first set of his semifinal against Alexander Zverev.

As Andy Murray's partnership with Novak Djokovic remains up in the air, Emma Raducanu has split with coach Nick Cavaday after he was forced to step down due to health reasons