MELBOURNE, Australia — 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, 7-6 (5), 6-2 victory over No. 19 seed Karen Khachanov.

In a match slated for Friday, Karen Khachanov (No. 19 in rankings) will meet Alex Michelsen (No. 42) in the Round of 32 at the Australian Open.In his last match on Thursday, Michelsen took down

Two friends from California, Learner Tien and Alex Michelsen, have both reached the fourth round at the Australian Open. Tien is 19, and Michelsen is 20.

American Alex Michelsen won against Russian Karen Khachanov, the No 19 seed, 6-3, 7-6 (5), 6-2 to advance to the last 16 of the Australian Open at Melbourne Park on Saturday night, Tennis Majors reported.

Rising American star Alex Michelsen has pulled off another surprise victory to reach the fourth round of the Australian Open. The 20-year-old backed up his first-round upset of world #11 and 2023 Australian Open runner-up Stefanos Tsitsipas with a straight-sets demolition of 19th seed Karen Khachanov on Saturday,

Results on day seven of the Australian Open at Melbourne Park on Saturday (x denotes seeding):

MELBOURNE, AUSTRALIA (AP) _ Results Saturday from Australian Open at Melbourne Park (seedings in parentheses): Alex Michelsen, United States, def. Karen Khachanov (19), Russia, 6-3, 7-6 (5), 6-2. Gael Monfils, France, def. Taylor Fritz (4), United States, 3-6, 7-5, 7-6 (1), 6-4.

French veteran Gaël Monfils rolled back the years to stun the USA’s No. 4 seed Taylor Fritz in the third round of the Australian Open on Saturday, winning 3-6 7-5 7-6(1) 6-4 after three hours and eight minutes of scintillating tennis.

The seventh day of the Australian Open saw Alex Michelsen upset Karen Khachanov, while Iga Swiatek defeated Emma Raducanu. Other highlights included vintage Djokovic defeating Machac, Gauff advancing to the last 16,

Monfils upset fourth-seeded Taylor Fritz of the United States 3-6, 7-5, 7-6 (1), 6-4 in the third round at Melbourne, Australia. When Monfils made his Australian Open debut in 2005, Fritz, now 27 years old, was 7.

Karen Khachanov (No. 19) will take on Gabriel Diallo (No. 86) in the Round of 64 at the Australian Open on Wednesday, January 15.Diallo’s last match was a win, 6-0, 7-6, over Benjamin Hassan