At 20, Michelsen is the youngest American man to reach the quarterfinals in Canada since Andy Roddick in 2003.

In a battle of two seeded players, Taylor Fritz bested the last Canadian hope in Toronto. The 2nd seed ousted Gabriel Diallo ...

Later, Ben Shelton remained unbeaten against Brandon Nakashima, yet needed a gutsy 6-7 (8-10), 6-2, 7-6 (7-5) triumph to ...