Andy Murray suffered a blow in his attempts to seed the US Open after crashing out at the Montreal Open.
The former world number one was upstaged by formidable American Taylor Fritz in the first round of the competition
and defeat could affect his chances of seeding at Flushing Meadows later this month.
The American dominated the court as he beat former British No.1
Murray 6-1, 6-3 to reach the second round of the National Bank Open, where the 23-year-old will face compatriot Frances Tiafoe for a place in the round. three.
Despite his convincing win, Fritz was generous with Murray, 35, claiming it was an "honour" to face the three-time Major winner in their first clash.
I've been on the Tour, so it's an honor to play with him."
It's another disappointment for Murray, who crashed out in the first round of the Citi Open in Washington DC
DC after a grueling defeat against Mikael Ymer, who eventually reached the final.
And his back-to-back first-round exits are likely to cost
cost him as he enters the US Open on August 29 in New York. Murray now looks set to enter the main draw tournament unseeded,