(FILES) In this file photo taken on February 21, 2021 Serbia's Novak Djokovic serves against Russia's Daniil Medvedev during the men's singles final on day fourteen of the Australian Open tennis tournament in Melbourne. Novak Djokovic received "no special" favours to be granted a Covid vaccine exemption to play at the Australian Open, said tournament chief Craig Tiley on January 5, 2022, as the move sparked a furious backlash.,Image: 650682882, License: Rights-managed, Restrictions: -- IMAGE RESTRICTED TO EDITORIAL USE - STRICTLY NO COMMERCIAL USE --, Model Release: no, Credit line: Profimedia