January 30, 2020, Melbourne, AUSTRALIA: Serbian Novak Djokovic and Swiss Roger Federer leave after the tennis match between Serbian Novak Djokovic (ATP 2) and Swiss Roger Federer (ATP 3) in the Men's Singles Semifinal match of the 'Australian Open' tennis Grand Slam, Thursday 30 January 2020 in Melbourne Park, Melbourne, Australia...BELGA PHOTO PATRICK HAMILTON,Image: 495707389, License: Rights-managed, Restrictions: * EXCLUSIVE to ZUMA: Belgium, France, Germany, Luxembourg and Netherlands Rights OUT *, Model Release: no, Credit line: Profimedia