Roger Federer jokes Rafael Nadal is 'not a friend' after losing chess match to 12-year-old

Roger Federer's former tennis foe, Rafael Nadal, came up in conversation during a tense chess showdown.

Kate Middleton plays tennis with Roger Federer at Wimbledon

cracked jokes about his friendship with former tennis rival during a match against a 12-year-old chess master. The former foes spent years competing for Grand Slams on court, although they ultimately struck up a wholesome friendship with respect flowing in each direction.

Federer turned professional three years earlier than Nadal, and he had already sealed multiple Grand Slam triumphs by the time the Spaniard broke his duck at the French Open in 2005.

When Federer retired from the professional game last September, Nadal had the edge in head-to-head meetings with 24 wins to 16. But many still consider the Swiss to have reached a level no other men's player could match - including Nadal's uncle, Toni.

The association between Federer and Nadal cropped up in a promotional video shared by UNIQLO, where the retired tennis ace was put up against 12-year-old chess master Tani Adewumi in New York.

Roger Federer

Roger Federer was beaten twice in New York by a 12-year-old chess master (Image: Twitter: @BastienFachan)

"I haven't been nervous for a while," said Federer before the match got underway. "Not since my playing days, basically. I've never sat across from a chess master. Today, I may be a little nervous."

Unsurprisingly, Federer lost the first match, with Adewumi informing the 41-year-old that some of his friends were coming along to witness the rematch. The youngster then told Federer that he 'should have brought Nadal and those guys' along.

"Yeah! Where are they when I need them?" responded Federer. "I thought they were my friends too... clearly not!" After losing two matches against the 12-year-old, Federer said: "I will sleep well tonight. I'm going to be exhausted! I don't think for a second [I stood a chance]."

Nadal is expected to follow Federer into retirement at the end of next season, with injury woes forcing him to sit out of Wimbledon earlier this month. Last year, the 22-time Grand Slam champion shed light on his rivalry-turned-friendship with the Swiss.

TENNIS-ESP-ATP-NADAL

Rafael Nadal and Roger Federer became friends after a long rivalry (Image: Getty)

"Roger was always there in front of me," said Nadal. "For me, he was always the guy to beat. So at some point, we were probably the biggest rivals - I think always in a very good way. We have never had any big issues and always respected each other and our families too.

"But our personal relationship has got better and better over the years, and we approach life in a similar way. I’m very proud to be part of his career in some way, but even happier to finish our rivalry like friends after everything we shared on court."

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