Carlos Alcaraz has scolded Andrew Castle after the interviewer said Rafael Nadal was the 'loser' following his defeat on Thursday.
Alcaraz and Nadal are currently competing at the Six Kings Slam in Saudi Arabia, with the latter playing in his penultimate tournament.
It was the younger man who won the clash, with Alcaraz securing a 6-3, 6-2 victory over his compatriot.
After the game, Castle interviewed both players. The former tennis star, referring to Nadal, said: "Do you mind if I start with the loser?"
Carlos Alcaraz has scolded Andrew Castle after the interviewer said Rafael Nadal was the 'loser' following his defeat on Thursday
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Yet Alcaraz then started to gesture with his hands and said: "Don't talk like that. Don't talk like that."
The four-time Grand Slam winner then turned to Nadal and added: "There is no loser. You are Rafa."
The exchange was good-natured, with Alcaraz then going on to hail his fellow Spaniard - despite ruthlessly dispatching him.
The youngster, who is looking to build on a brilliant year that has already seen him win the French Open and Wimbledon, will now set his sights on beating Jannik Sinner on Saturday.
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Sinner, who won the US Open last month, was too strong for Novak Djokovic.
The pair met in Saudi just four days after they'd met in the final of the Shanghai Masters.
Sinner got his second win over Djokovic in the space of a few days, with the Italian winning 6-2, 6-7, 6-4.
Speaking after his win, Sinner said: “We played a final in Shanghai not many days ago, we were both slightly tired and making a couple of mistakes.
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“We all love to play here. Thanks everyone for coming. That’s the reason why we’re here.
“Just tried to reset as fast as possible. I’m happy with how I handled the match. Let’s see what’s coming on Saturday. Hopefully, it’s gonna be a good one. That’s the reason we’re all here.
“All of us try to raise our level and try to play every point in the best way.
"We take it quite seriously. Just trying to improve our game. Also for the next meetings. We know each other quite well.
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Carlos Alcaraz spoke to Rafael Nadal after beating his fellow Spaniard at the Six Kings Slam in Saudi Arabia
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“Today also I got nervous. Sometimes I can’t handle myself when I’m a bit tired.
"It’s good I have another chance on Saturday. I might not be as fresh as possible but I’ll try my best. We just try to make it a good show for all of you.”
Nadal, meanwhile, is looking forward to facing Djokovic.
The pair have already met 60 times over the years, with Djokovic winning 31 of those contests compared to his rival's 29.
Carlos Alcaraz was too strong for Rafael Nadal as he won their Six Kings Slam clash on Thursday night
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Nadal said: "To have Novak in front [of me], it's like a nostalgic thing.
"We've played each other a lot, so it'll be fun to play each other again one more time in this match.
"Hopefully we can create a good show and good level of entertainment."
