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.

The Demon made light work of seed-eliminating Alex Michelsen in straight sets, and the home hope aims to end his losing run against the ailing top seed, whose physical decline against Holger Rune could not prevent a 15th consecutive ATP Tour quarter-final.

It was the opening round of the 2017 Australian Open in de Minaur’s first main draw at his first major championship in his home country, when the then-17-year-old saved a match point in the fourth set before beating Gerald Melzer in five sets and almost four hours.

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.

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.

On a searing day at Melbourne Park where the mercury rose above 30 degrees, it was de Minaur that handled the heat better as he marched into the last 16 for a fourth consecutive year. De Minaur loves playing at home but admitted it was the first time he didn't feel "comfortable" in front of a parochial crowd inside Rod Laver Arena,