The Frenchman was in another volatile mood as he lost to Nadal at the Rogers Cup on Thursday, smashing his racquet multiple times.
Dimitrov leads head to head meetings 6-1, but he was always forced to the third set but in 2011 Eastbourne.
Kyrgios, with green fluorescent tape encircling each kneecap, quit injured in last week's Washington quarter-finals, and he was treated in the second set here for his chronically troublesome hip.
A former world No. 1, Djokovic is seeded ninth in the event he last won in 2016.
It has happened for me, the big comeback, winning a big trophy in Wimbledon, in the best possible scenario in the best possible setting. "I know how tough it is from my personal experience [to come back]", Nadal said.
"Honestly I'm not sure what he said".
Shapovalov downed France's Jeremy Chardy in straight sets in the first round Tuesday night in front of a packed and supportive crowd at centre court that included Edmonton Oilers captain Connor McDavid. "I rushed a little bit on my serve, didn't take the time I needed and just became a little bit too predictable".
'But I remained calm. "I never expected to beat such a top-ranked player and such a high-respected player like Novak".
Australian woman killed by garbage truck in New York City
Madison Jane Lyden was found with severe trauma to her body next to Central Park West just after 4.45pm local time. More and more people are traveling by bike in our city, and they need safe, protected space.
Four-time champion Novak Djokovic and top-seeded Rafael Nadal advanced to the third round of the rainy Rogers Cup on Wednesday.
Heavy morning rain delayed the match at the York University campus in the north end of the city by about an hour, holding off the start of an exciting day that featured five matches with Canadian players, including Montreal's Felix Auger-Aliassime on his 18th birthday.
The Serbian is hoping to continue building on his impressive Wimbledon win last month - the 13th Grand Slam title of his career. They beat French duo Pierre-Hugues Herbert and Nicolas Mahut 4-6, 6-4, 10-7.
Returning to serve for the set at 6-5, Nadal producing a stunning display of tennis to draw first blood against the shell-shocked Wawrinka.
Currently, the Davis Cup is structured around a 16-nation World Group, contested over four weekends during the year.
As the second round got under way, there were delays-not for the first time-as rain storms passed over Toronto, but also news of the withdrawal of No3 seed Juan Martin del Potro with wrist problems.
American eighth seed John Isner, however, departed following a 7-6 (7-5) 7-6 (7-1) loss to Karen Khachanov, while local favourite Denis Shapovalov went down 7-5 6-2 against Robin Haase. In other second-round action Wednesday, second-seed Zverev defeated American Bradley Klahn.
Stan Wawrinka and Kevin Anderson survived but Dominic Thiem crashed out, along with Milos Raonic and Fabio Fognini.