California pals Tien, 19, and Michelsen, 20, are 2 of 4 US men in the Australian Open's 4th round
Two friends from California, Learner Tien and Alex Michelsen, have both reached the fourth round at the Australian Open.
Las Vegas Sun1h
Defending champ Jannik Sinner gets back to the fourth round at the Australian Open
Defending champion Jannik Sinner has defeated 46th-ranked Marcos Giron of the U.S. 6-3, 6-4, 6-2 at the Australian Open ...
Tennis-Sinner swats aside Giron to reach Australian Open fourth round
Defending champion Jannik Sinner was not at his fluent best but still had too much firepower for unseeded American Marcos ...
Hosted on MSN2h
Sinner romps past Giron into Australian Open last 16
Ruthless defending champion Jannik Sinner was in the zone Saturday as he powered into the last 16 of the Australian Open with ...