Jannik Sinner He was forced to retire to the third set of the challenge against Griekspoor because of the very violent cramps, which occurred due to the heat and humidity, which together with the smog are putting to the test all the tennis players engaged in the Shanghai Master. In addition to Sinner, between injuries and heat were Forced to retire Machac, Ruud, Goffin, Atmane, Wu and Medjedovic. Fritz and Zverev also complained of the heat, Djokovic even found themselves vomiting on the pitch, while Holger Rune was very hard: “Do you want a tennis player to die on the pitch? Why isn’t there a rule on heat?”. It had already happened also in Beijing, where Medvedev in the prey to the cramps and a certain point unable to move also blurted out against the chair judge, who had given him a Warning on the edge of the absurd for “poor commitment”. Prohibitive climatic conditions – temperatures over 30 degrees and a humidity rate between 85% and 90% – They are the main cause of the cramps that are hitting several players. Too hot can affect a lot, as he explains Giuseppe Massazzaphysiatrist and full professor of the city of Health and Science of Turin.
