World number one Jannik Sinner's bid to win back-to-back Halle Open titles was ended on Thursday following a 3-6 6-3 6-4 defeat by Alexander Bublik in the last 16, the top seed's first defeat to a player outside the Top 20 since 2023.

Defending champion Jannik Sinner lost his second-round match on grass at Halle on Thursday to Kazakhstan's Alexander Bublik, the Italian's first tournament since his French

Top-ranked Jannik Sinner was upended by Alexander Bublik 3-6, 6-3, 6-4 in the second round at the Halle grass-court tournament