The Qatar Classic starts from Sunday at the Khalifa International Tennis and Squash Complex, with the PSA Platinum level tournament returning to the calendar after making way for the PSA World Championships in 2019. Ali Farag will be World No.1 come the start of the tournament, and the new man at the summit of the World Rankings will also be the defending champion when play begins on Sunday morning in the Qatari capital. The 2018-19 World Champion will be in the No.2 seed