ATP roundup: Alexander Bublik stuns No. 1 Jannik Sinner
Kazakhstan's Alexander Bublik recorded a huge upset in knocking out World No. 1 and defending champion Jannik Sinner 3-6, 6-3, 6-4 on Thursday to advaKazakhstan's Alexander Bublik recorded a huge upset in knocking out World No. 1 and defending champion Jannik Sinner 3-6, 6-3, 6-4 on Thursday to adva