Alex Michelsen of the United States upset third-seeded Lorenzo Musetti of Italy in the third round of men's singles at the National Bank Open on Thursday.

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.

Third-seeded Lorenzo Musetti and No. 5 seed Holger Rune won their opening matches Tuesday at the National Bank Open.

Third-seeded Lorenzo Musetti and No. 5 seed Holger Rune won their opening matches Tuesday at the National Bank Open.