Novak Djokovic of Serbia has defeated the third seed Juan Martin del Potro of Argentina in straight sets to claim his third US Open men's singles title and his 14th Grand Slam. For world number three Del Potro, it was a heartbreaking experience coming in just his second Slam final, nine years after he was crowned US Open champion.

Djokovic, the sixth seed, tamed the Argentine big artillery 6-3, 7-6 (4), 6-3 in three hours and 15 minutes, in the US Open final on Sunday, Xinhua news agency reported.

It was Djokovic's 15th win over the Argentine and fifth in five at the Slams. Victory also means that 50 of the last 55 majors have been win by the 'Big Four' of Federer, Nadal, Djokovic and Andy Murray.

This is Djokovic's second straight grand slam singles title this season following Wimbledon 2018. US Open 2018 Women’s Finals Video Highlights: Naomi Osaka Downs Serena Williams; Becomes the First Japanese Woman to Win the Grand Slam.

With the US Open 2018 title in his bag, Novak Djokovic equals Pete Sampras' 14 grand slam titles in men's singles. Djokovic is now tied with Sampras on number three in the list of players winning most number of grand slam titles in men's singles titles.

Djokovic is now behind his contemporaries  Rafael Nadal and Roger Federer in terms of total number of grand slams won. Roger Federer of Switzerland has 20 Grand Slam titles and Spain's Rafael Nadal has 17 singles' Grand Slam trophies to his name.

With this victory, Novak Djokovic improves upon his rankings and reaches at number 3 on the rankings of men's singles in ATP rankings. Rafael Nadal is the world number 1 and Roger Federer is number 2 on the rankings.

Djokovic, who had seen a slump in his career after completing the career grand slam when he won the French Open in 2016, has been in top form after the clay season. He first won the Wimbledon to announce his return back to top form and has now won the US Open 2018 title comprehensively. With his current form on the hard-courts, Djokovic is tipped to be a favorite at the Australian Open 2019. (With Agency Inputs)

(The above story first appeared on LatestLY on Sep 10, 2018 09:09 AM IST. For more news and updates on politics, world, sports, entertainment and lifestyle, log on to our website latestly.com).