World No 5 Caroline Wozniacki played an April Fool's Day joke on her fans on Wednesday by tweeting that she is quitting tennis. The first tweet read: "As of today I am officially announcing my retirement from tennis and I am going to focus on TV and modeling."


Caroline Wozniacki. Pic/Getty Images 

The 'breaking news' attracted 485 retweets and 651 favorites. The Danish star fired in another: "I want to thank all of you for the amazing support over the years, it's been truly amazing! It wouldn't have been the same without you!"