Rafael Nadal would be playing his third round match at the Rogers Cup against former French Open quarter-finalist Igor Andreev who had previously beaten Tomas Berdych in the second round.
The 36-year-old, coming off victories in Germany and at Wimbledon, is on a 16-match winning streak, his longest since 2012. He defused some of Shapovalov's aggression with stellar defense and he produced a high level of consistency and physicality that the southpaw could not match. Although, of course, southpaw Shapovalov - Shapo, as he's known around the game - is the Canadian darling of the moment.
He lost the first set.
After Wozniacki sent Pliskova packing, American Sloane Stephens saved three match points and muscled her way past Lucie Safarova in a three-set thriller.
This was when the intestinal fortitude of Zverev shone brightest.
But even that couldn't make the Canadian go away.
Flag-waving fans in the packed grandstands at Uniprix Stadium were hoping for more magic, but the German was too strong, winning 81 per cent of the points off his serve compared to 64 per cent for Shapovalov.
After the match Zverev showed respect for a job well done by Shapovalov and the Canadian fans, gesturing to Shapovalov and urging the fans to applaud him for his job well done.
"It's tough to come out and serve after a 12-minute rain delay". I don't know how much Rafa cares about the year-end number one or if he just cares about getting back to it for a short while.
"I know I can't become number one here, I'm just playing Montreal for the tournament that it is, and I'm trying to win it for the first time in my career", Federer said. I was insecure. I had a lot of problems with other injuries after. I didn't, but I managed to win because I kept fighting. A win will give help Federer reach his first final of the tournament since losing to Jo-Wilfried Tsonga in 2014 title match.
Haase, who hit 17 winners, made a late charge and forced a second-set tiebreak before Federer stymied the challenge to win the match. All the while Shapovalov won the adoration of the local fans and dealt with the newfound fame and pressure that goes with it quite admirably. Most recently, amid speculation that he could be nearing retirement, Federer took a six month break from tennis to nurse an ailing knee. Will he be able to consistently reproduce the inspired tennis when the fatigue of the tour sets in?
By clinching his seventh straight win over the Spaniard in the men's singles event, Federer leads the ATP this season with five titles, including two grand slams, and improved his 2017 record to 34-2.
"He played well", Nadal said.
"I've been working on it a lot in the past few years".