The sixth seed dominated the match from the off as he triumphed 6-3, 7-6 (7-4), 6-3 for a second successive grand slam title and the ideal end to a year that saw the Serb recover from a loss of form and a serious elbow injury.
US Open 2018 Women's Finals Video Highlights: Naomi Osaka Downs Serena Williams; Becomes the First Japanese Woman to Win the Grand Slam. When he defeated Rafael Nadal and Roger Federer back-to-back to claim the 2009 US Open he was just 20 years old.
Djokovic, who was seeded sixth, is one of only eight men to win the Wimbledon-US Open double and has now accomplished that feat for a third time.
However, Djokovic eventually broke for a 3-2 lead in the second and there was an inevitability to proceedings thereafter. That Williams lost a point, then a game, and was fined $17,000 are what will be remembered about that final.
An eight-time finalist in NY who had only previously lifted the trophy in 2011 and 2015, the Serbian was made to work hard on Sunday as Del Potro came from a break down in the second and third sets.
Some steadfast residents to stay put as Hurricane Florence approaches
The hurricane was moving northwest in the Atlantic at 15 miles per hour and was packing sustained winds of 110 miles per hour . In 1999, Hurricane Floyd left hundreds of thousands of dead hogs and chickens floating in floodwaters in the state .
Djokovic particularly struggles in the hot and humid conditions that hit NY over much of the fortnight and looked out of sorts against Marton Fucsovics in the first round - splitting the first two sets, he trailed 4-2 in the third - Joao Sousa in the fourth and giant killer John Millman in the quarterfinals.
It was plain sailing for the 31-year-old Serb who is chasing a 14th Slam title to take him level with Pete Sampras on the all-time list.
Coming after his triumphant return at Wimbledon in July, the latest success is evidence enough that technically, tactically and physically Djokovic is back to his best. "I really am. I feel like these guys, rivalries with these guys, matches with Federer and Nadal, have made me the player I am, have shaped me into the player I am today", Djokovic said, his shiny silver U.S. Open trophy resting a few feet away.
Del Potro was looking at having to become the first man since Pancho Gonzales in 1949 to win the United States title from two sets down. I thought of tennis, thought of the emotion that tennis provokes in me.
Djokovic collects $3.8 million and his third U.S. Open championship.
"I've been during all my career learning with Novak, Roger, Rafa, seeing them winning these events very often".
Tropics erupt as Florence, Helene and Isaac all churn in the Atlantic
This enhanced satellite image made available by NOAA shows Tropical Storm Florence , centre, in the Atlantic Ocean on Saturday. Risky swells generated by Florence affected Bermuda and have begun to reach parts of the Eastern Seaboard.
Del Potro was looking to win his first slam title for nine years but Djokovic proved too strong, the Serbian prevailing 6-3 7-6 (7/4) 6-3 to add to his Wimbledon crown.
"Of course he can", said Del Potro when asked if Djokovic can claim the record over Federer who is nearly six years his senior.
The Wimbledon champion, who ended a two-year grand slam drought by winning at the All England Club, has now won 13 sets in a row in NY.
He was also taking longer and longer to serve, but dug deep to hold for 4-4 in a hugely dramatic game lasting just over 20 minutes.
In all, the second set was a lengthy 95-minutes before ending for Djokovic in the tiebreaker, and saw both players leave the court for a change of clothes at its conclusion.
How to watch Apple's new 2018 iPhone announcement event
Apple is reportedly trying to limit the availability of the new iPhone Xr to estimate the demand for the more premium versions. We are just two days away from the launch of new iPhones and still new leaks and rumors are surfacing on the internet.