US Open tennis champion Daniil Medvedev celebrated his win by performing one of the most well-known celebrations in FIFA: the dead fish.

Medvedev, who defeated World number one Novak Djokovic 6-4 6-4 6-4 in the grand final last night, threw himself to the court floor, lying on his side with his tongue hanging out.

😝 @DaniilMedwed pic.twitter.com/VlqihQ7hSY

— US Open Tennis (@usopen) September 12, 2021

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The audience would be forgiven for not having a clue that Medvedev was performing a celebration from a video game (it sort of looks like he's collapsing with exhaustion), but in his post-match interview he confirmed what he was going for, saying: "Only legends will understand what I did after the match is L2 plus left. Thank you guys!"

Post-match celebration inspired by @EASPORTSFIFA?!@DaniilMedwed YOU are a legend. pic.twitter.com/oMoI0Dgjnk

— US Open Tennis (@usopen) September 12, 2021

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That's right, the input command for FIFA's dead fish is hold the left trigger (L2 on PlayStation) and hold left on the right thumbstick. Here's how it looks in the video game:

FIFA - The Dead Fish [Daniil Medvedev] Celebration - How To Do It! [PS5] [PS4] [Xbox] [PS3] Watch on YouTube

It's pretty bizarre, but sports professionals do occasionally dip into the world of video games for their celebrations. Let's remember, French forward Antoine Griezmann scored a penalty in the World Cup final and celebrated by doing the infamous Fortnite Take the L dance.

Antoine GRIEZMANN Goal – France v Croatia - 2018 FIFA World Cup™ FINAL Watch on YouTube