The Tennis South Invitational, was a men's tennis tournament founded in 1973 as the Mississippi International Indoor Tennis Championships.
The event was played as part of the USLTA Indoor Circuit from 1973 through 1975[1] and became a World Championship Tennis event in 1976.
In its final year, 1977, it was an independent event, i.e. not part of a tennis tour or circuit.
[2] The tournament was played on indoor carpet courts.
Ken Rosewall was the only multiple singles champion, winning the title in 1975 and 1976.