Jannik Sinner ‘s title defense in Shanghai ended in a disaster, for scorching conditions led to him struggling with cramps during his third-round match against Tallon Griekspoor . The pain was so much that he couldn’t walk properly and limped off the court with the help of a physio.

But Serena Williams ‘ former coach, Patrick Mouratoglou , came across accusations against Sinner that he faked the struggles while dealing with the cramps . Mouratoglou took to his Instagram to rubbish such claims.

To explain Sinner’s cramps, there is only one word: humidity. [Taylor] Fritz had the same problem; we saw Novak Djokovic throw up two times. It’s not the first time Jannik has cramps. He had cramps against Carlos [Alcaraz] in Roland-Garros, but this was tension. Until it happens to you

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