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,

After the qualifications of Karen Khachanov and Alex Michelsen earlier in the day, two more players advanced to the quarterfinals of the Toronto Masters 1000 overnight from Saturday to Sunday. First,

El máximo cabeza de serie Alexander Zverev, Lorenzo Musetti, Holger Rune y el argentino Francisco Cerúndolo se estrenaron con triunfos en el Abierto de Toronto.