‘Painful to watch’: Viral video shows Jannik Sinner suffering from cramp, taking help to walk at Shanghai Masters

Jannik Sinner retired from his third-round match against Tallon Griekspoor at the Rolex Shanghai Masters due to cramping in his right thigh. Griekspoor was leading 6-7(3), 7-5, 3-2 when Sinner stopped playing amidst challenging humid conditions.