1970 South African Open (tennis)

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.

Men's singles
🇦🇺 Rod Laver defeated Frew McMillan 4–6, 6–2, 6–1, 6–2

Women's singles
🇦🇺 Margaret Court defeated 🇺🇸 Billie Jean King 6–4, 1–6, 6–3

Men's doubles
Bob Hewitt / Frew McMillan defeated  Cliff Drysdale / 🇬🇧 Roger Taylor 6–3, 6–3, 6–2

Women's doubles
🇺🇸 Billie Jean King / 🇺🇸 Rosie Casals defeated 🇦🇺 Kerry Mellville / 🇦🇺 Karen Krantzcke 6–2, 6–2

Mixed doubles
🇦🇺 Margaret Court / 🇺🇸 Marty Riessen defeated Pat Walkden /  Frew McMillan 7–5, 3–6, 7–5