Alex de Minaur eases into Australian Open second round with routine win over lucky loser

Mens sixth seed dismantles Mackenzie McDonald 6-2, 6-2, 6-3Hamad Medjedovic awaits in next round at Melbourne ParkHis serve remains a work-in-progress, but a dominant Alex de Minaur sailed through the first round of the Australian Open with a professional dismantling of American Mackenzie McDonald.The No 6 seed won 6-2, 6-2, 6-3 on Rod Laver Arena on Monday afternoon, finding valuable rest for his legs after just 108 minutes of play.