Novak Djokovic has been one of many players who have been heckled at the Australian Open - and the 10-time champion praised Danielle Collins' response to the rowdy crowd

Count Novak Djokovic as being in Danielle Collins’ corner. He thinks her response to booing fans at the Australian Open was absolutely fine — which should come as no surprise, given the way Djokovic gets into back-and-forths with hecklers at his matches,

NOVAK DJOKOVIC has declared himself Danielle Collins’ “biggest fan” – after she taunted a hostile Australian Open crowd. Collins was booed by punters in Melbourne after