The 1970 South African Open was a combined men's and women's tennis tournament played on outdoor hard courts at Ellis Park in Johannesburg, South Africa. It was an independent tournament that was not part of either of the two main tennis circuits; the 1970 Pepsi-Cola Grand Prix circuit and the 1970 World Championship Tennis circuit. It was the 67th edition of the tournament and was held from 24 March through 4 April 1970. Owen Williams was the tournament director. Rod Laver and Margaret Court won the singles titles.
Rod Laver defeated Frew McMillan 4âÂÂ6, 6âÂÂ2, 6âÂÂ1, 6âÂÂ2
Margaret Court defeated Billie Jean King 6âÂÂ4, 1âÂÂ6, 6âÂÂ3
Bob Hewitt / Frew McMillan defeated Cliff Drysdale / Roger Taylor 6âÂÂ3, 6âÂÂ3, 6âÂÂ2
Billie Jean King / Rosie Casals defeated Kerry Mellville / Karen Krantzcke 6âÂÂ2, 6âÂÂ2
Margaret Court / Marty Riessen defeated Pat Walkden / Frew McMillan 7âÂÂ5, 3âÂÂ6, 7âÂÂ5