Alex Michelson has reached the fourth round at a Grand Slam tournament for the first time. He got there with a 6-3, 7-6 (5), 6-2 victory over No. 19 seed Karen Khachanov of Russia at the Australian Open on Saturday.

6:55pm (local time): Welcome to Rod Laver Arena for tonight's fourth round match between Alex de Minaur and Alex Michelsen. With both Tsitsipas and Khachanov out, De Minaur has in theory an easier path to the quarter-finals. But Michelsen played some quality tennis to eliminate those players, dropping only one set across the two matches.

American tennis player Alex Michelsen gave a sweet shoutout to his mom after winning his third round match at the 2025 Australian Open.

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.

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

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.

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,