Italy's Jannik Sinner beat American Ben Shelton 6-3 7-6 (3) in Turin on Friday to finish the Björn Borg group of the ATP Finals with a perfect record of three wins out of three matches.     The defending champion and world number two will now face Australian Alex De Minaur in the semi-finals on Saturday. "It was a tough match," Sinner said.     "I just tried to hang in there mentally, especially against a player like this.     "It was a great match, the crowd helped me a lot and I want to thank

Tag-uri: Italia