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.

There are three American men aged 23 and under in the second week of a Grand Slam. That hasn't happened since 2003

Alex Michelson joked that he was too busy at the Australian Open on Saturday morning to have a lengthy phone conversation with his mother back home in California. His excuse was pretty good, actually: The 20-year-old Michelsen was on court for a 6-3,

Learner Tien and Alex Michelsen were born about 15 months apart and first crossed paths a decade ago when they were playing in Southern California tennis

Alex Michelsen, part of a group of Americans making an impact at the Australian Open, defeated No. 19 seed Karen Khachanov to reach the round of 16.

Two of four American men still playing in Melbourne, Irvine native Tien, 19, and Aliso Viejo native Michelsen, 20, became friends on the youth tennis circuit