Serena Williams Plays At Ritz Carlton Key Biscayne for Charity Posted by Social Media | Mar 4, 2015 | Celebrities, Key Biscayne | 0 | Hit against Serena Williams, Kei Nishikori and Chis Evert at the 6th Annual All-Star Tennis Charity Event at Ritz Carlton Key Biscayne during Miami Open. Source: www.hauteliving.com