Jannik Sinner out of Shanghai Masters with leg injury

Defending champion Jannik Sinner retired Sunday from the Shanghai Masters after suffering a leg injury in his third-round match against the Netherlands’ Tallon Griekspoor. The world number two began to experience issues in the fourth game of the third set, and tried to persevere before abandoning the match when trailing 6-7 (3/7), 7-5, 3-2. READ: Continue reading Jannik Sinner out of Shanghai Masters with leg injury