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The 1973 Mississippi Indoors, also known by its full name Mississippi International Indoor Tennis Championships, was a men's tennis tournament played on indoor carpet courts at the Mississippi Coliseum in Jackson, Mississippi in the United States that was part of the 1973 USLTA Indoor Circuit. It was the inaugural edition of the tournament and was held from March 22 through March 25, 1973. Eddie Dibbs won the singles title and earned $3,000 first-prize money.
Ponto Downing (March 22, 1973). "Pro tennis play opens Thursday in Coliseum". The Clarion-Ledger. p. E1 – via Newspapers.com. The Mississippi International Indoor Tennis Championships makes its debut Thursday at noon in the Coliseum as 16 top professional netters will be seeking first prize of $3,000 in the $12,500 purse. Aside from the $3,000 top prize, there's also an added incentive for the tourney as Jackson has been designated as an official tour stop of the Winter Indoor Circuit
Eddie Dibbs
Frew McMillan
Jaime Pinto-Bravo / 
Tito Vázquez 6–2, 6–4