Share FacebookTwitterGoogle+ReddItWhatsAppPinterestEmail World Tennis champion, Serena Williams retires after winning 73 titles in 27 years, bids farewell at US Open 186 consecutive weeks at No. 1 4x Olympic gold medalist 23 Grand Slam singles titles 14 Grand Slam doubles titles 367 major match wins 6 US Open titles Only tennis player to achieve the career Golden Slam in both singles and doubles Thank you, Serena