The 2017 champion in Canada will now play Italian Matteo Arnaldi, who  defeated qualifier Tristan Schoolkate 6-3, 3-6, 6-3.Number eight Casper Ruud put out Roman Safiullin 6-3, 6-3 for another seeded win.

Alexander Zverev made it through to the last eight of the Toronto Masters after Francisco Cerundolo retired due to injury at 6-4, 1-0 on Saturday. The world number three had not won any of his three previous matches against Cerundolo,

Alexander Zverev has overcome a couple of tough rounds at the start of the Canadian Open and is now in the round of 16 after reaching his 500th professional victory by defeating Matteo Arnaldi (32th seed) 6-7(5),