Italy's tennis world number one Jannik Sinner said Tuesday that he was pulling out of the Paris Masters because of an intestinal virus. "I'm sorry that I can't take the court," the 23-year-old Australian and US Open champion said in a video message on his Instagram profile. "I came here early to prepare but I got a virus and I'm not ready to compete." "I'm really sorry". In an interview with Sky Sport, Sinner said he was not worried about missing next month's ATP Finals in Turin and the Davis Cup finals in Malaga. Sinner is sure to end the year as the world number one after winning his seventh ATP tour title of the season at the Shanghai Masters. In June, Sinner became the first Italian to be a singles tennis number one since computerized rankings were introduced in 1973. He has not relinquished the position since. (ANSA) Source: Philippines News Agency