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.

Through to the quarterfinals of his home Grand Slam tournament for the first time, the Aussie also has a financial motivation for every match he wins.

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.

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.

He refuses to say exactly what is wrong with him, only that he is “not there health-wise” and has been “a bit dizzy at times”. Read more at straitstimes.com.

In a workmanlike display, Alex de Minaur calls upon his fighting spirit to defeat Francisco Cerúndolo in four sets and reach the fourth round at Melbourne Park.

De Minaur rose to World No.8 before the tournament started to give him an all-important top seeding at Melbourne Park, meaning he can't face a higher-ranked opponent until the quarter-finals. The Aussie has never made it past the round of 16 at his home slam but has the best chance to do that this year,

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.

Here is everything you need to know about Alex De Minaur vs. Alex Michelson, including TV and streaming options for the match.

Jelena Dokic pointed to the recent success of Alex de Minaur and Katie Boulter on Thursday to slap down suggestions Stefanos Tsitsipas and Paula Badosa have struggled on the court due to their relationship. However her comments came before Boulter suffered a shock 3-6 (3-7) 6-2 2-6 loss to Veronika Kudermetova to crash out of the tournament.

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