Alex Michelsen defeats longtime friend and fellow American Learner Tien to advance to his first Masters 1000 in Toronto.

Learner Tien's breakout 2025 season signals a shift in US men's tennis as he replaces Reilly Opelka with a new, tactical playing style.

Generations turn over quickly in tennis. At 27, Opelka is only eight years older than than the teenage Tien, but in terms of the American men’s game, they come from two different eras.

Preview the the 2025 National Bank Open Presented by Rogers match between Alex Michelsen vs. Learner Tien, plus betting odds, insights and ...

Preview the the 2025 National Bank Open Presented by Rogers match between Learner Tien vs. Reilly Opelka, plus betting odds, insights and ...

Alex Michelsen of the United States reached the quarterfinals of the men's National Bank Open in Toronto with a straight sets ...

No. 1 Alexander Zverev takes on the No. 18 seed, Australia’s Alexei Popyrin, in a quarterfinal at the 2025 National Bank Open ...

Alexander Zverev made it through to the last eight of the Toronto Masters after Francisco Cerundolo retired due to injury at ...

Defending champion Alexei Popyrin of Australia beat fifth-seeded Holger Rune of Denmark 4-6, 6-2, 6-3 on Saturday night to ...

Karen Khachanov reached his second straight prestige quarter-final on Saturday, ambushing eighth seed Casper Ruud 6-4, 7-5 to ...

The 22nd-seeded Canadian dropped a 7-6 (4), 7-5 decision to American Learner Tien to the disappointment of the centre court crowd at Sobeys Stadium.