Sinner reaches semifinals, Alcaraz ousted by Machac in Shanghai Masters
SHANGHAI, Oct. 10 (Xinhua) -- World No.1 Jannik Sinner continued his triumph in the ATP Shanghai Masters by easing past the fifth-seeded Daniil Medvedev 6-1, 6-4 to advance to the semifinals here on Thursday. Due to Medvedev's discomfort on his …