ESPN
Cameron Hughes is described as a tennis "superfan" who is a regular at late-night US Open matches and often dances in between games to get the crowd fired up.
After Novak Djokovic finished off his second-round win just before midnight, Hughes was brought up in the post-match interview. Djoker thanked Hughes for dancing during the matches and noted that he "is a true dancer" and "possesses the skills [he] admires very much."
Hughes was in the crowd and tried to get the attention of Djokovic, who said he wasn't sure if the fan was still at the stadium.
ESPN
Djokovic spotted the fan and signaled for him to come down to the court.
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Security tried to intervene, but Djokovic told them it was OK.
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That's when the dance-off started.
The two even posed in I HEART NY t-shirts afterwards.
ESPN
After the match, Djokovic talked about the moment.
"I'm glad that he came down to the court," Djokovic told the media. "It was not planned. I'm happy for him. You know, he's a true entertainer. I know him for definitely five years. Each year I see him in one of my matches, dancing, taking down the layers of the T-shirts. But, you know, it never gets old. It's always good to see him dance, perform. He gets the crowd going in the night session in Arthur Ashe, which is always very unique for players and for fans."
Here is the full video: