ANTHONY JOSHUA showed off his football tennis skills after an intense training routine.

The 32-year-old heavyweight boxer gave fans a glimpse of how he keeps himself in tip-top condition.

Posting a video to his Instagram story, Joshua stood in front of three exercise boxes, which added up to a height of 1.2 metres.

But from a majestic standing jump, AJ effortlessly leapt onto the top box in an immense display of power.

And he captioned the video "Siiiiiiuuuuuuuuuuuu" in a nod to Cristiano Ronaldo's famous goal celebration.

Then after the business of training was taken care of, AJ enjoyed a light-hearted game of football tennis.

And so often used to coming out on top in the ring, he showed off some nifty footwork to also emerge victorious in the game.

The fun continued as Joshua and a pal faced off on a balance beam, with the pair trying to whack each other with foam sticks.

And again AJ came out on top.

Joshua though was in the losing corner last time out in the ring – an unanimous decision defeat to Ukrainian Oleksandr Usyk.

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Plans of a rematch between the pair had been thrown into doubt after Usyk joined Ukraine's territorial defence after Russia invaded his homeland.

But now Usyk, 35, has been given the green-light to leave the war torn nation and begin training for his rematch with AJ.

A source told SunSport late last night: "It is true. Usyk is moving to his training camp in Europe."

That would appear to give the all clear for a mega-fight with Joshua sometime in June.