Popyrin beat Collignon 6-4, 4-3 in Montreal, taking the match with two breaks of serve and a strong day on his own delivery. He won 82% of first-serve points and did not face a break point.
The opener turned in game 5, where Popyrin converted one of six break points before taking the set 6-4. He struck again in game 3 of the second set, and the match ended with Popyrin leading 4-3.
The decisive number was Popyrin's serving: 82% of points behind his first serve and no break points faced. Collignon saved five of seven break points but never earned a break point of his own.