The world's number one tennis player Novak Djokovic opposes compulsory vaccinations for players in order to resume the tennis season this year. The sporting calendar for 2020 has been hit hard by the coronavirus outbreak, with events including Wimbledon being cancelled. Subscribe: http://smarturl.it/reuterssubscribe Reuters brings you the latest business, finance and breaking news video from around the globe. Our reputation for accuracy and impartiality is unparalleled. Get the latest news on: http://reuters.com/ Follow Reuters on Facebook: https://www.facebook.com/Reuters Follow Reuters on Twitter: https://twitter.com/Reuters Follow Reuters on Instagram: https://www.instagram.com/reuters/?hl=en