Serbia's Novak Djokovic kisses the trophy during the presentation after he defeated Switzerland's Roger Federer during the men's singles final match of the Wimbledon Tennis Championships in London, Sunday, July 14, 2019. (Laurence Griffiths/Pool Photo via AP)

Serbia's Novak Djokovic lifts the trophy after defeating Switzerland's Roger Federer in the men's singles final match of the Wimbledon Tennis Championships in London, Sunday, July 14, 2019. (AP Photo/Tim Ireland)

FILE - In this July 14, 2019, file photo, Serbia's Novak Djokovic kisses the trophy during the presentation after he defeated Switzerland's Roger Federer in the men's singles final match of the Wimbledon Tennis Championships in London. The All England Club says it plans to make a decision next week whether to postpone or cancel Wimbledon because of the coronavirus pandemic. (Laurence Griffiths/Pool Photo via AP, File)