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.

Alex Michelsen on Thursday rallied for a 3-6, 7-6 (7/4), 6-4 upset victory over third-seeded Lorenzo Musetti in the men’s singles, converting his seventh match point to reach the fourth round of the Canadian Open.