Alex Michelsen of the United States upset third-seeded Lorenzo Musetti of Italy 3-6, 7-6 (4), 6-4 on Thursday in the third round of the National Bank Open. Michelsen is seeded 26th.

Alex Michelsen, of the United States, returns the ball against Lorenzo Musetti, of Italy, during a match at the National Bank Open men’s tennis tournament, Thursday, July 31, 2025, in Toronto.