BBC Wimbledon pundit's brother is an umpire who left Nick Kyrgios with egg on his face

Wimbledon umpire James Keothavong is considered SW19 royalty. He has over 20 years of officiating experience and worked 75 consecutive Grand Slams, including this year's major at the All England Club. He first appeared as a line judge at the 1999 Wimbledon and 15 years later oversaw the men's singles final between Novak Djokovic and Roger Federer.

He took charge on Monday on Centre Court when a woman in the crowd fell ill and Carlos Alcaraz rushed to offer a bottle of water to her. Keothavong quickly halted proceedings when alerted to the medical attention and informed the crowd: "Ladies and gentlemen, unfortunately there has been an incident with a spectator. Health and safety is our priority. We will be pausing the match."

Keothavong has seen just about everything possible on a tennis court and even forced a chuckle out of Nick Kyrgios during a 2018 match at the Summer Slam.

The Aussie can prove to be a difficult player to keep control of for umpires, often throwing tantrums and arguing back at their decisions, but this time even he was left struggling for words.

Facing Robin Haase, Kyrgios was called for a foot fault by Keothavong, when he hit back by complaining: "After I hit it? How's that possible?"

The official quickly explained: "That's what he has to do. He can't call it before you hit it!"

His perfect response caused the crowd to erupt with laughter, with Kyrgios smiling away knowing that he had no answer.

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A few minutes later, Keothavong had to step down from his chair and explain the foot fault rule, before the 2022 runner-up won the match in straight sets.

The match will be remembered fondly for the umpire's actions, however, with Keothavong one half of a Wimbledon double act.

His sister is former player Anne Keothavong, who now works for the BBC as a commentator and pundit at the tournament.

They grew up in Hackney along with two more siblings, with both Anne and James going on to play tennis, before he went into officiating at the age of 16.

Anne reached the second round at Wimbledon on four occasions and is the current Great Britain captain. She was awarded an MBE in 2021 for her services to tennis and was nominated to the board of the All England Club the previous year.

She was on commentary duty for Emma Raducanu's first-round win over Welsh teenager Mimi Xu and praised the debutant.

''Mimi Xu is a talented 17-year-old, one of our junior players and look, they got to know each other more last year," she said. "I brought Mimi along to be part of the Billie Jean King Cup team when we were in the finals in Malaga in November last year and there she was able to get to know the senior players better and spent a lot of time with the likes of Emma and Katie [Boulter] and learnt from them.

"She's a dangerous tennis player. She's got a big game, but she's still very raw, still learning. Making her main draw debut, which, you know, is exciting, but yeah, it's nerve-racking."