(FILES) Italy's Jannik Sinner reacts after a point against Czech Republic's Tomas Machac during their men's singles semi-final match at the Shanghai Masters tennis tournament in Shanghai on October 12, 2024. Tennis World No1 Jannik Sinner withdrew from the ATP Paris Masters 1000, which began on October 28, 2024, due to an "intestinal virus", the tournament organisers announced on October 29, 2024. (Photo by HECTOR RETAMAL / AFP) (Photo by HECTOR RETAMAL/AFP via Getty Images)