A notable upset occurred in the National Bank Open in Montreal. Top seed Alexander Zverev was defeated by Tallon Griekspoor in a second-round match. The outcome of the match was 6-7, 6-2, 6-4 in favor of Griekspoor.

Griekspoor's win marked a turnaround from a recent slump. The details of the match are available from the Galveston County Daily News. Further information about the National Bank Open and the match between Zverev and Griekspoor can be found in the original report.