TORONTO — High-seeded Alexander Zverev of Germany led Francisco Cerundolo 6-4, 1-0 when the 14th-seeded Argentine retired due to an stomach damage Saturday night time within the Nationwide Financial institution Open.
Zverev superior to face defending champion Alexei Popyrin of Australia within the quarterfinals. The 18th-seeded Popyrin beat fifth-seeded Holger Rune of Denmark 4-6, 6-2, 6-3 within the first night time match.
Zverev, the 2017 champion ranked third on the planet, ended up the highest seed with top-ranked Jannik Sinner — the 2023 winner — and No. 2 Carlos Alcaraz skipping the hard-court occasion that ends Thursday. No. 5 Jack Draper and No. 6 Novak Djokovic additionally sat out.
Zverev gained on clay in Munich in April for his twenty fourth tour title.
Alex Michelsen reached the quarterfinals within the afternoon, topping fellow American Learner Tien 6-3, 6-3. Michelsen will face Eleventh-seeded Karen Khachanov of Russia, a 6-4, 7-5 winner over eighth-seeded Casper Ruud of Norway.