In the last eight weeks Novak Djokovic has resembled the Grand Slam machine that held all four major titles at the same time in 2016, wining three of his last four events including Wimbledon and US Open.
Summary of sports events and persons who made news on Sunday
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.
Images from the second day at the US Open, the final Grand Slam tournament of the year.
Rafael Nadal, who said his injured wrist is improving daily, beat Denis Istomin of Uzbekistan 6-1, 6-4, 6-2 in his first-round match on Monday's opening day of the year's last Grand Slam.
Maria Sharapova's mix of grit and power were enough to see off American teenager Sofia Kenin 7-5, 6-2 in the third round of the US Open on Friday.
The United States Tennis Association (USTA) will reveal plans to build a retractable roof over the centre court at Arthur Ashe Stadium as part of major changes to the U.S. Open venue in Flushing Meadows.
Novak Djokovic finally clinched the title missing from his resume with a 6-4, 6-4 win over Roger Federer on Sunday to win in Cincinnati and become the first player to complete the sweep of Masters series tournaments on Sunday.
Venus Williams moved within two wins of a possible sisterly showdown with Serena in the semi-finals of the US Open by beating German 26th seed Laura Siegemund to reach the fourth round on Saturday.
While Federer and Nadal will look to reignite the flair and fight they showed to reach last year's final, 2018 could have a different script at play.
The fifth-seeded Ukrainian reached her second straight Grand Slam semi-final after also making the last four at Wimbledon in July.
Venus Williams also went the distance before claiming a 2-6, 6-3, 6-3 victory over Croatia's Donna Vekic.
Images from Day 2 at the US Open played at Flushing Meadows in New York on Tuesday
Djokovic did not drop a set en route to the final in Rome
Australia's Nick Kyrgios could find himself in hot water again after accusing men's tennis governing body ATP of being "corrupt" following his US Open first round victory.
Images from the third day at the US Open, the final Grand Slam tournament of the year, in New York, on Wednesday:
Ukrainian fourth seed Elina Svitolina powered into the third round of the U.S. Open with a 6-4, 6-4 win against Russian Evgeniya Rodina on Thursday.
Karolina Pliskova suffered a narrow US Open defeat at the hands of Angelique Kerber on Saturday, but the Czech 10th seed also proved her mettle as one of the most dangerous attacking players in women's tennis.
Flavia Pennetta crushed Romanian second seed Simona Halep 6-1, 6-3 to kick off a packed day of action at the U.S. Open on Friday with a stunning upset that put the Italian into her first Grand Slam final.
The 32-year-old pulled out of the doubles event at the US Open to focus on his singles comeback after undergoing career-saving hip resurfacing surgery.
Roger Federer kept up his sprint through the early rounds of the US Open on Thursday, steamrolling Steve Darcis of Belgium 6-1, 6-2, 6-1 to reach the third round of the year's final Grand Slam.
Roger Federer got his delayed hardcourt season off to a positive start with straightforward 6-3, 7-6 (7) win over Germany's Phillip Kohlschreiber to ease into the third round of the Western and Southern Open on Tuesday.
IMAGES from Day 8 of the US Open on Monday
Defending champion Naomi Osaka of Japan was upset 7-5, 6-4 by Belinda Bencic in the fourth round at the US Open on Monday as the Swiss reached the quarter-finals for the second time.
Second seed Angelique Kerber stayed on track in her quest to unseat Serena Williams as world number one by beating Mirjana Lucic-Baroni of Croatia 6-2, 7-6(7) on Wednesday to reach the third round of the US Open.
'I don't mind when he misbehaves. Obviously, I don't like the bad language. It's just when he doesn't try to play tennis, when he doesn't try to win then I think the umpire needs to step in. I think in this situation, default him on the spot, rather than suspend him'
The explosive and temperamental 24-year-old Kyrgios has a history of notorious outbursts and is being investigated for potential rule violations after calling the ATP Tour "corrupt" during the US Open last week.
Seven years after their first Grand Slam final meeting, Novak Djokovic and Roger Federer stand on the verge of a third showdown at the highest level.
Nadal produced a rich vein of form as he thrashed Greek teenager Stefanos Tsitsipas in straight sets to clinch his fourth Canadian Masters 1000 title at the Rogers Cup
Serena Williams moved another step closer to a record-tying 24th career Grand Slam title with a comfortable 6-3, 6-2 victory over Czech Karolina Muchova on Friday to reach the last 16 at the US Open.
Zverev is also in fine form, having beaten world number one Novak Djokovic on his way to claiming the Olympic gold medal in Tokyo at the start of the month.
Bernard Tomic is set to sit out the Australian Open after Tennis Australia (TA) decided not to award him a wildcard to the main draw, the organisers said on Thursday.
After 17 trips to Flushing Meadows and six US Open titles Serena Williams did something on Thursday she had never done before -- win a match indoors.
Hundreds were in the Cameo nightclub when shots broke out, police said.
Images from Day 4 of the US Open in New York on Thursday.
Andy Murray launched a fresh rocket at his US Open conqueror Stefanos Tsitsipas on Tuesday, griping that the Greek player took longer on bathroom breaks than it took billionaire Jeff Bezos to reach outer space.
India's campaign came to an end at the Western and Southern Open after Sania Mirza and her Swiss partner Martina Hingis crashed out.
Since his June trek with his wife up Mont Sainte-Victoire, the mountain that famously also served as an inspiration for Paul Cezanne, the 31-year-old has added a pair of Grand Slam titles to his resume.
All England Lawn Tennis Club (AELTC) chief executive Richard Lewis said he hoped the situation will stabilise in the coming months to allow the hardcourt season to get underway before the US Open begins on Aug. 24.
Five-times champion Roger Federer reached his first US Open final in six years as he raced past fellow Swiss Stan Wawrinka 6-4, 6-3, 6-1 at Flushing Meadows in the semi-finals on Friday.
