Defending champion Djokovic fired his 15th ace on match point to defeat Querrey but his serve had been an issue earlier in their second-round encounter.
India's Leander Paes and Sania Mirza made it to the second round of the US Open with straight sets win in their respective doubles events, in New York, on Thursday night.
Fifth seed Simona Halep of Romania took advantage of an error-prone display by American Madison Keys to claim her 14th WTA title with a 7-6(2), 6-3 victory in the Rogers Cup final in Montreal on Sunday.
Novak Djokovic destroyed a woeful Stefanos Tsitsipas 6-1, 6-2 to book his place in the semi-finals of the Paris Masters.
Ferrer, 37, announced earlier in the year he would end his 19-year career at the Madrid Open and prolonged his time on court by a day by beating Roberto Bautista Agut on Tuesday, but was easily overpowered by world number four Zverev.
Images from Saturday's action at the Australian Open.
Nadal faced no break points in a ruthless display to set up a meeting with Canadian Denis Shapovalov.
Be it some scintillating action from the Australia Open or Diego Costa's strike sealing the points for Chelsea against Arsenal. In cricket, The Indian team finally tasted success on the back of strong performances from two youngsters. A sensational debut by Jasprit Bumrah followed by a match-winning century by Manish Paney. Be ready to be amazed as Rediff.com encapsulates all the sporting action from the past week in this super photo feature.
India's Rohan Bopanna and his Romanian partner Florin Mergea entered the Sydney International final after a straight sets win over Thomaz Bellucci and Leonardo Mayer, on Friday.
Temperamental Australian star Nick Kyrgios provided the perfect finish after veteran Carlos Moya's masterclass performance as Singapore Slammers hammered the Philippine Mavericks 30-22 in their opening match of the
Rafael Nadal gave a much improved performance to advance into the quarter-finals of the Barcelona Open on Thursday, dispatching Spanish compatriot and crowd favourite David Ferrer 6-3, 6-3.
Rediff.com takes a look at some interesting highlights of the tournament.
Nick Kyrgios needs to improve his fitness to have a chance of winning Grand Slams, former world number one Jim Courier said on Wednesday.
Roger Federer took 55 minutes to dispel all injury doubts with a 6-2, 6-1 routing of unheralded German Tobias Kamke in the second round of the Brisbane International on Thursday. Media speculations swirled around the fitness of the world number three less than two weeks before he launches his bid for a fifth Australian Open title and the Swiss maestro dismissed them by dropping only three games in a lop-sided contest. "I'm going to do my best to stay injury free and give myself a chance to win another grand slam," Federer said after setting up a quarter-final against Grigor Dimitrov.
Roger Federer believes his six-month absence due to a knee injury could help prolong his playing career, with the 17-times Grand Slam winner saying he has enjoyed the break.
Nadal, playing his first match since losing to Roger Federer in the Wimbledon semi-finals, fell behind 5-2 in the tiebreak before roaring back to prevail in his first career meeting with world number 53 Evans.
A summary of sports events and persons who made news on Saturday
Serena Williams and Marin Cilic both survived third round scares on Friday to keep their US Open title defences on track but there was no escape for Rafael Nadal with the twice-winner going down in a late night thriller.
Second Andy Murray breezed to a 6-3, 6-0 semi-final victory over Kei Nishikori on Saturday to set up a final with Novak Djokovic at the Rogers Cup in Montreal.
Venus Williams staged a spirited comeback to down third seed Petra Kvitova 4-6, 7-5, 6-4 and reach the third round of the BNP Paribas Open in Indian Wells on Saturday.
Summary of sports events and persons who made news on Thursday
Serena Williams must navigate a heavily American quarter of the draw including sister Venus to complete a calendar sweep of the four Grand Slams, while two sensational quarter-finals loom on the men's side after Thursday's U.S. Open draw.
Top 10 seeds David Ferrer, Tomas Berdych, Stan Wawrinka and Richard Gasquet raced into the second round of the Australian Open on Monday, apparently eager to make the most of relatively mild conditions at Melbourne Park.
Reigning champions Novak Djokovic and Serena Williams have been named top seeds for the Australian Open starting on Monday.
Photos from matches played Day 7 of the Australian Open at Melbourne Park on Sunday
British 13th seed Johanna Konta felt 'embarrassed' after recovering from a health scare at a humid US Open on Wednesday to claim her place in the third round with a 6-2, 5-7, 6-2 win over Bulgaria's Tsvetana Pironkova.
A relieved Rafael Nadal felt the confidence come flooding back in a first-round romp at the Australian Open on Monday.
Novak Djokovic and Serena Williams are top seeds at the major starting Monday
Summary of sports events and persons who made news on Monday
Second seed Sloane Stephens was shocked 2-6, 6-4, 6-2 by Germany's Andrea Petkovic in the second round of the Citi Open on Wednesday, disrupting the American's buildup to her US Open title defence.
Venus Williams and CoCo Vandeweghe won the opening singles matches to give holders the United States a commanding 2-0 lead in their Fed Cup World Group opener against the Netherlands in Asheville, North Carolina on Saturday.
Caroline Wozniacki used her aggressive groundstroke game to near perfection on Tuesday and pummeled Italy's Sara Errani 6-0, 6-1 to reach the semi-finals of the US Open.
Defending champion Serena Williams is the top seed in the women's draw. The American will be looking to equal Steffi Graf's Open era record by sealing a 22nd Grand Slam triumph.
Novak Djokovic barely got out of first gear but had more than enough in the tank to beat Briton Kyle Edmund 6-3, 6-3 in the second round of the Miami Open on Friday.
The 32-year-old, five-times a winner of the singles at the prestigious Wimbledon warm-up event, delighted a large evening centre court crowd with some fluent shot-making as he and Spanish veteran Lopez beat top seeds Juan Sebastian Cabal and Robert Farah 7-6(5), 6-3.
As tennis raise hopes of an Indian medal at the Rip Olympics, Bikash Mohapatra/Rediff.com put things in perspective.
Indian Acres' Rafael Nadal beat UAE Royals' Roger Federer to win the last set 6-5 through a shoot-out to help the Indian team win the Delhi leg of the Indian Premier Tennis League in New Delhi on Saturday.
Indian shuttler Ajay Jayaram overcame Rajiv Ouseph of England to enter the men's singles final of the $50,000 Yonex Dutch Open Grand Prix, in Almere, The Netherlands.
Summary of sports events and persons who made news on Friday
A win by Venus would keep the 35-year-old on track for a first grand slam title since 2008 Wimbledon and a possible return to the US Open final where she first made the final in her debut in 1997. But a victory would end little sister Serena's quest for the rarest of tennis feats -- a calendar-year grand slam.
