Defending champion Jannik Sinner lost 6-3, 3-6, 6-4 to Kazakhstan’s Alexander Bublik in the Halle second round, marking Bublik’s first win over a world No. Bublik will face Tomas Machac in the quarters.
Elsewhere, Alexander Zverev came from a set down to beat Lorenzo Sonego and advance, while Tomas Martin Etcheverry edged out Andrey Rublev in a thriller to reach the quarters.