Michelsen d. Stefanos Tsitsipas 7-5 6-3 2-6 6-4

Wow. 

Alex hands Stef his earliest lost at the Australian Open since 2018.

He now leads their head to head 2-0.

Before today, Stef had reached the 2nd week here 5 of the last 6 years.

✅5th top 20 win

Fearless performance. 🇺🇸