World TeamTennis is a mixed-gender professional tennis league played with a team format in the United States, which was founded in 1973.
The league's season normally takes place in the summer months. Players from the ATP and WTA often take a break... Wikipedia
Founders: Billie Jean King, Larry King, and Dennis Murphy
No. of teams: 9
Date founded: 1987
Most recent champion(s): Orange County Breakers
Most titles: Sacramento Capitals (6); Washington Kastles (6)
Owner(s): Fred Luddy and Eric Davidson
Sport: Team tennis