Stefanos Tsitsipas twice smashed his racket onto his bag as he exited the Australian Open in the first round against young American Alex Michelsen. Tsitsipas, who is enduring a miserable run of Grand Slam form,

Alex Michelsen produced the biggest win so far of his fledgling career to upset 2023 runner-up Stefanos Tsitsipas in the first round of the Australian Open and the first person he credited was his mom.

Alex Michelsen produced the first big upset of the 2025 Australian Open, defeating 2023 finalist Stefanos Tsitsipas 7-5 3-6 6-2 6-4 on Monday to charge into the second round.

Stefanos Tsitsipas (No. 11) faced a surprising first-round exit against Alex Michelsen (No. 41). The American had previously defeated Tsitsipas in their only prior meeting at the Tokyo Open.

Alex de Minaur's Australian Open fourth-round opponent Alex Michelsen has a hip injury he received a medical timeout for in his previous match.

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,

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