Nadal - a four-time victor of the ATP Masters 1000 tournament - shook off rust to overcome Dan Evans in straight sets on Wednesday.
He ended the evening with an ace out wide on his fourth match point, moving into his ninth Canadian quarter-final.
Sixth-seeded Karen Khachanov of Russian Federation edged Stan Wawrinka of Switzerland 6-4, 6-7 (3), 6-2; seventh-seeded Fabio Fognini beat American qualifier Tommy Paul 7-6 (3), 6-3; eighth-seeded Daniil Medvedev of Russian Federation topped Kyle Edmund of Britain 6-3, 6-0; and 10th-seeded Roberto Bautista Agut of Spain edged Diego Schwartzman of Argentina 6-2, 7-5. "But we are used to playing like this". He made good on an impossible sky hook reverse overhead at one point in the contest. The odds, it must be said, favoured the defending champion who had won 34 matches before at this tournament compared with just one by Evans-in the first round here. "It can be handsome to play in tough conditions". Auger-Aliassime won the first set 6-3, and Raonic took the second 6-3 before stopping play.
Thiem on Thursday faces 2014 US Open champion Marin Cilic, who defeated Australian John Millman 6-3, 6-4.
Shapovalov created more break points (five) than Thiem (two), but he converted just one opportunity while Thiem converted both of his chances. "Well, in general terms have been an up-and-down match, but a positive match for me because I have been playing better and better when the match was coming, so". "I beat two fantastic players. It gave me a lot of confidence, so I'm very happy".More news: Flight attendant arrested after passenger concern: She ‘appears to be quite drunk’
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"Barcelona was of course in my favour because it's clay". And while in Montreal, he will surely overtake that Federer statistic: He plays Guido Pella in his next match. "It was incredible. At the changeover at 6-all, I could see the people there".
"All the matches are hard here". I learned how to know myself better. "When he plays like this, he's hard to beat". The match is scheduled from 6.30 pm local time (11.30 pm BST) and you can find the Rafael Nadal v Fabio Fognini live streaming options along with its preview, head to head and tips here.
Zverev, the victor in 2017, was pushed to a final-set tie-break before edging past Nikoloz Basilashvili. Only a winning tie-breaker salvaged the victory and set up a last-eight clash with Karen Khachanov.
A rising star celebrating his 19th birthday, Auger-Aliassime pushed ahead early, but was undone by 12 double faults and a series of mistakes at key times. "I saw him a little bit yesterday". "But I'm really a bit disappointed. with the crowd as well". I don't have anything against it when they cheer for Felix. It's normal. He's the home favorite, especially from Montreal. But not wishing me to miss, screaming during the points.
"I think I'm serving well. I just got insane".
The Spaniard faces Gael Monfils or Roberto Bautista Agut, who will return on Saturday to complete their rain delayed match - Monfils was 30-0 up in the first game when play was suspended.