Top-seeded Alexander Zverev rallied to defeat No. 18 Alexei Popyrin of Australia 6-7 (8), 6-4, 6-3 on Monday to reach the semifinals of the National Bank Open.

The Toronto quarterfinals feature a mix of momentum and muscle, with a couple of matchups that wouldn’t have been predicted at the start of the week. Several players have stepped up under the spotlight,

Something about Canada suits Alexei Popyrin. The Australian has never lost a match at the Canadian Masters, winning the title on debut in Montreal last year and going 3-0 in Toronto in 2025.