Halle Open: Jannik Sinner’s title defence over after shocking loss to Bublik
World No. 1 Jannik Sinner’s title defence at the Halle Open came to an abrupt end on Thursday, as he suffered a shock 3-6, 6-3, 6-4 defeat to Alexander Bublik in the round of 16. The Kazakhstani, ranked 45th in the world, produced one of the finest performances of his career to upset the top…