Jannik Sinner opens title defense in Shanghai with quick win
Jannik Sinner began his title defense at the Rolex Shanghai Masters with a win, defeating Daniel Altmaier of Germany 6-3, 6-3 on Saturday in the ATP MJannik Sinner began his title defense at the Rolex Shanghai Masters with a win, defeating Daniel Altmaier of Germany 6-3, 6-3 on Saturday in the ATP M