Canadian teenager Shapovalov captured the imagination of an entire country, after upstaging top seed and 15-time grand slam champion Rafael Nadal as well as Juan Martin del Potro en route to the semi-finals in Montreal.
"I told him he had a great run, well done to him, to not worry too much that he lost today", said Zverev.
Shapovalov won seven of the final eight points of the third set tiebreaker before closing out the match with a forehand victor down the line. "Plus I feel comfortable at the net so why not spend some time up there instead of slugging it out from the baseline?" I came back really fast, from zero to 60 in eight months.
"I'm very happy that I've made it here", he said. "Yeah, in the juniors, I just felt sometimes when I used to play guys, you know, somewhere in the world where I felt like technically maybe they were struggling".
In the last four Federer will face Holland's world number 52 Haase, who fought back after losing the first set against Diego Schwartzman to win 4-6 6-3 6-3.
However, there was no such reprieve the next time the 12th seed served, with Federer pouncing on his second break-point opening as his opponent fired a forehand wide. I tried to slow things down in the second.
EPA/ANDRE PICHETTEKevin Anderson of South Africa in action against Alexander Zverev of Germany during the ATP Rogers cup men's quarter final in Montreal, Canada, 11 August 2017.
It last over 13 minutes long as both players passed up numerous points to win the game, which kept reverting to deuce.
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This was only the sixth time that an opening game in a Premier League season has seen seven goals scored- no game has seen more. After the victory, the Arsenal boss was quick to praise his team and the impact Lacazette made on his Premier League debut.
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Their commitment is incredible, even better than last season and I'm very happy because these players are working so hard. For example, when I was with Juventus I did not score more than 20 goals .
The second-seeded Federer is seeking a third Rogers Cup title, but his first in Montreal, having won in 2004 and 2006 in Toronto.
"I didn't even know if I could ever play tennis again", Haase said.
Mannarino became the fourth established ATP player this week to fall at the hands of the 18-year-old left-handed Canadian. I didn't, but I managed to win because I kept fighting. Federer said that he is playing the tournament with a lot more flair and confidence.
"If I don't save those match points in the first match, there's no chance of being here".
Federer is a sparkling 5-0 in finals and 35-2 overall this season, holding match points in all 37 of his matches.
The victory marks Wozniacki's first career win against a No.1 and gives the 27-year-old a 6-2 advantage in head-to-head matches with Pliskova.
Roger Federer recovered from an uncharacteristic out-of-sorts first set to defeat David Ferrer in the third round of the Rogers Cup.