ATP open to heat policy after string of retirements in Shanghai sauna

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Tennis - ATP Masters 1000 - Shanghai Masters - Qizhong Forest Sports City Arena, Shanghai, China - October 5, 2025 Italy's Jannik Sinner receives medical attention before retiring due to an injury in his round of 32 match against Netherlands' Tallon Griekspoor REUTERS/Go Nakamura

Jannik Sinner receiving medical attention before retiring due to an injury in his round of 32 Shanghai Masters match against Tallon Griekspoor on Oct 5.

PHOTO: REUTERS

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The governing body of men’s tennis could consider a formal heat rule after a string of retirements at the Shanghai Masters blew the draw wide open, with top players wilting under soaring temperatures and punishing humidity.

World No. 2 Jannik Sinner’s title defence ended in agony on Oct 5, when the Italian struggled to walk due to cramp in his right thigh before he retired in the deciding set of his last-32 clash with Tallon Griekspoor.

Serena Williams’ former coach Patrick Mouratoglou took to social media to defend the Italian’s decision.

He posted on Instagram that what Sinner “had to endure was brutal – a classic example of what it’s like to play in extreme humidity”. In the video, he said: “To explain Sinner’s cramps, there is only one word: Humidity.”

Novak Djokovic vomited during his encounter with Yannick Hanfmann, while Holger Rune was heard asking an official during a medical timeout during his meeting with Ugo Humbert if players had to “die on court” amid the heat and humidity.

“It’s the same for every player out on the court, but it’s brutal,” Djokovic said after he battled to victory.

“It’s brutal when you have over 80 per cent of humidity day after day, particularly for the guys when they’re playing during the day with the heat, with sun, it’s even more brutal.”

Others including Casper Ruud, Tomas Machac, David Goffin, Terence Atmane, Hamad Medjedovic and Wu Yibing were unable to pull through and retired mid-match due to illness or injury in the early rounds.

The temperature was at around 30 deg C throughout the opening rounds, with the humidity soaring over 80 per cent at times.

The need for a formal ATP heat rule had sprung up in August in Cincinnati, where Arthur Rinderknech collapsed on court during a match in sweltering conditions before handing Felix Auger-Aliassime the victory.

Under ATP regulations, decisions on the suspension of play due to adverse weather conditions – including extreme heat – lie with an on-site ATP supervisor who coordinates with medical teams at the venue as well as local authorities.

“In parallel, the ATP medical services team implements several measures in cases of extreme heat, to help protect player health during competition,” the governing body told Reuters via e-mail.

However, the elite body said it was open to change.

“This remains under active review and additional measures including the implementation of an official heat policy are currently being evaluated in consultation with players, tournaments and medical experts,” it added.

“Player safety remains a top priority for the ATP.”

Several professional sports including football, Formula One and cycling have put in place formal policies to deal with extreme weather.

The ATP does not have to look beyond tennis for a framework, with the Grand Slams and the women’s governing body, the WTA, formally implementing rules that allow for extended breaks and match suspensions due to weather conditions. REUTERS

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