Young American Alex Michelsen has held his nerve to send Greek crowd favourite Stefanos Tsitsipas packing in a massive first-round boilover at the Australian Open, opening up a favourable draw for top local hope, Alex de Minaur.

Alex de Minaur overcame a one-set deficit and his own serving yips Saturday afternoon to defeat 31st-seed Francisco Cerundolo in a marathon third-round Australian Open match.

Alex de Minaur knows he still has a mountain to climb after reaching the last eight of Australian Open for the first time. Looking to end a 49-year drought since Australia celebrated a local men's winner, de Minaur lodged a convincing 6-0 7-6 (7-5) 6-3 victory over rising American Alex Michelsen on Monday night.

Alex de Minaur is bidding to reach his first Australian Open quarterfinal, however, talented Alex Michelsen isn't going to make his assignment easy.

MELBOURNE - Alex De Minaur kept the home flag flying at the Australian Open as he beat rising American Alex Michelsen 6-0 7-6(5) 6-3 to reach the quarter-finals for the first time on Monday. Read more at straitstimes.

Alex de Minaur will be aiming to make the Australian Open quarter-finals for the first time when he takes on American talent Alex Michelsen at Rod Laver Arena on Monday night. The Australian eighth seed has reached the fourth round on four occasions but has never made it through to the last eight at Melbourne Park.

Alex de Minaur faces a devilish draw through the early stages of the Australian Open while Emerson Jones will take on former Wimbledon champion Elena Rybakina in the first round.