Matteo Berrettini clips Christopher O'Connell in Shanghai
Italy's Matteo Berrettini advanced to the second round of the Rolex Shanghai Masters on Thursday with a hard-fought 7-6 (9), 7-6 (6) victory over AustItaly's Matteo Berrettini advanced to the second round of the Rolex Shanghai Masters on Thursday with a hard-fought 7-6 (9), 7-6 (6) victory over Aust