Wimbledon’s ball boys and girls are being told not to step in should eco warriors try to disrupt play.
The 250 helpers, picked from about 1,000 applicants from local schools, are in a prime position to try to deter any unwanted tennis court invaders.
But organisers have made it clear they do not want the youngsters, who patrol the courts’ nets and perimeters, to risk their own safety.
A well-placed source said: “Their average age is 15.
“It was feared their youthful enthusiasm and pride at being involved in the event could lead them to trying take action if there was an incident.
Man arrested for murder after woman found dead on New Year's Eve“But it’s being made clear they are to stay away from any trouble and not take any risks.”
It was also confirmed that players are being urged not to “do a Jonny Bairstow”.
The England wicketkeeper hauled off a Just Stop Oil protester who tried to cause chaos at the Lord’s test match against Australia by chucking orange paint powder.
Three people have since been charged with aggravated trespass and are due to face Westminster magistrates on July 31.
A spokesperson for the All England Club said: “The safety and security of all our players, colleagues and visitors is paramount.
“Throughout the year we work closely with the Metropolitan Police and other relevant organisations to ensure that The Championships is as safe and secure as possible and that our plans and measures are commensurate with the threat level and prevailing risks.”
Singles champ Novak Djokovic was spotted practising to defend his title on Saturday.
British number one Katie Boulter, wildcard entry Heather Watson and former singles winner Andy Murray were also seen hard at work preparing for their first-round matches on Tuesday.