Coco Gauff of the U.S. is seen at Melbourne Arena during an Australian Open practice session at Melbourne Park in Melbourne, Australia, January 14, 2020. AAP Image/Michael Dodge/via REUTERS
Rafael Nadal of Spain takes a selfie with ballkids during a handing over of Australian Open tennis tournament fleet vehicles at Federation Square in Melbourne, Australia, January 15, 2020. AAP Image/Michael Dodge/via REUTERS
A combination image shows clear skies (L) in Melbourne city on January 9, 2020, and smoky skies (R) due to bushfires on January 14, 2020, in Melbourne, Victoria, Australia, in this two pictures obtained from social media. Courtesy of @ASTROKERRIE/Social Media via REUTERS.
Smoke haze from the bushfires continues to hang over Melbourne, Australia, January 15, 2020. AAP Image/David Crosling/via REUTERS
Morning commuters are seen through smoke haze from bushfires in Melbourne, Australia, January 14, 2020. AAP Image/Erik Anderson/via REUTERS
Maria Sharapova of Russia plays a backhand in her Women's Singles match against Laura Siegemund of Germany during the Kooyong Classic at Kooyong Lawn Tennis Club in Melbourne, Australia, January 14, 2020. AAP Image/Rob Prezioso/via REUTERS
Rafael Nadal of Spain meets fans during a handing over of Australian Open tennis tournament fleet vehicles at Federation Square in Melbourne, Australia, January 15, 2020. AAP Image/Michael Dodge/via REUTERS
People wear breathing masks to protect themselves from a thick smoke haze from the bushfires, in Melbourne, Australia January 14, 2020. AAP Image/David Crosling/via REUTERS
Image used for illustrative purpose.
Spectators wear face masks due to smoke haze from bushfires during an Australian Open practice session at Melbourne Park in Melbourne, Australia, January 15, 2020. AAP Image/Michael Dodge/via REUTERS
A general view of the city skyline shrouded by smoke haze from bushfires during an Australian Open practise session at Melbourne Park in Melbourne, Australia, January 14, 2020. AAP Image/Michael Dodge/via REUTERS
Smoke haze from the bushfires continues to hang over Melbourne, Australia, January 15, 2020. AAP Image/David Crosling/via REUTERS
A thick smoke haze from the bushfires hangs over Melbourne, Australia, January 14, 2020. AAP Image/David Crosling/via REUTERS
Smoke shrouds Australian Open qualifiers