De Minaur feels 'slapped across face' after stinging Australian Open defeat

'I believe I can be grand slam winner,' says bruised loser Australian won 10 points on Sinner serve in quarter-final Alex de Minaur still believes he is good enough to win a grand slam despite his demoralising defeat to Jannik Sinner in the quarter-finals of the Australian Open, which he described as a slap to the face. The Italian took just 108 minutes to end the Australian's best run at Melbourne Park on Wednesday night, prevailing 6-3, 6-2, 6-1. "You feel like you just have been slapped acros...