Swiss tennis star Stan Wawrinka has won the 2016 US Open after beating Novak Djokovic by three sets to one in the final of the competition.
It is the first time Wawrinka has won the US Open, and it is his third Grand Slam victory to date, adding to the Australian Open he won back in 2014, and the French Open he won last year.
However, it wasn't the greatest of starts for Wawrinka. The first set was a close fought battle that went to the tie-breaker, and it was Djokovic who took the early lead, winning the tie-breaker by seven points to one.
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Wawrinka kept his composure though, and played some great tennis against the world number one seed. He won all remaining sets to take the title by a scoreline of 6-7 6-4 7-5 6-3.
In a video posted to Twitter by sports journalist Jerome Reynard we can see the exact moment Djokovic played a shot too long, giving Wawrinka the victory.
The match was not without its measure of controversy, however.
In the fourth set, play was called to a halt for defending champion Djokovic to receive medical attention for what is believed to have been cramping. A move which is said to be outside of the official rules and regulations of the game.
Wawrinka was not happy with these proceedings, and was seen consulting with tournament referee Brian Earley on whether or not the actions of his opponent were legitimate.
At the time of the stoppage, the match was approaching the three-and-a-half hour mark, which was by far the longest match Djokovic had played up to that point in the competition.
You can see the moment Wawrinka won the US Open in the below video.
After a short apology from Djokovic, play resumed and Wawrinka would see off his opponent just before the four-hour mark.
Legendary tennis star John McEnroe was not happy with the way the stoppage incident was carried out, he said: “That was another example of a complete abuse of the rules.
“It’s up to the officials to do something about it, and they just don’t have the guts to do it.”
Speaking after the match, Wawrinka was clearly delighted with his victory, saying: “I don’t know what’s happening right now. Novak, you’re a great champion.
"We know each other since many, many years. I had the chance to practise with him and play him in big matches.
"This is amazing. I came here not expecting to win it, but I was trying to win every match. I am completely empty. I had to bring everything today.”