EntertainmentQatar Federer, Thiem qualifies for quarterfinals of Qatar ExxonMobil Open By darlene - March 11, 2021 0 446 Facebook Twitter Pinterest WhatsApp In his first appearance since the 2020 Australian Open, Roger Federer made a winning return to the ATP Tour on Wednesday at the Qatar ExxonMobil Open in Doha. The three-time Doha champion showcased his fighting spirit to save a set point at 5/6 in…