Tennis - ATP Finals - The O2, London, Britain - November 12, 2019 Austria's Dominic Thiem in action during his group stage match against Serbia's Novak Djokovic Action Images via Reuters/Tony O'Brien
London, UK. 14th July, 2019. Tennis: Grand Slam/ATP Tour, Wimbledon, Individual, Men, Final, Djokovic (Serbia) - Federer (Switzerland). Novak Djokovic in action. Credit: Frank Molter/dpa/Alamy Live News Stock Photo - Alamy