RANCHO SANTA FE, Calif. – World TeamTennis announced on Tuesday its sponsorship agreements for its inaugural All-Star Weekend on February 29 and March 1, including a presenting sponsorship from Barefoot Hard Seltzer, the official hard seltzer of WTT. Additional sponsors for the WTT All-Star Weekend Presented by Barefoot Hard Seltzer include official jewelry partner John Hardy, along with partnership agreements with Tennis Clash, Har-Tru Sports Coatings and PIVOT tennis.