Novak Djokovic threw up, Alexander Zverev poured sweat out of his shoe, and Emma Raducanu quit her match with dizziness – and the bad news for the world’s top tennis players is that more baking weather awaits them in China this week.Denmark’s Holger Rune called the temperatures of more than 30C (86F) and humidity soaring past 80 percent at the Shanghai Masters “brutal”.Recommended Stories list of 4 itemsend of list“Do you want a player to die on court?” Rune was heard asking this week in the fierce conditions.The 24 Grand Slam winner Djokovic labelled it “very challenging physically” on Tuesday as he battled the heat and an ankle injury scare to reach the quarterfinals.The ailing 38-year-old crouched over frequently in between rallies against Spain’s Jaume Munar and vomited on court.After one unforced error, Djokovic dropped to the court and remained splayed out as a medic rushed over, before regathering himself to win in three battling sets.The draw has opened up for the Serb after world number one Carlos Alcaraz withdrew before the tournament to rest, and defending champion Jannik Sinner retired from his match on Sunday with cramp.Zverev, ranked three in the world, was beaten on Monday, having had to pause during his defeat to change his shoes because sweat was pouring out of them.Spectators at the centre court wafted fans and wore cool packs o …
