1977 South African Open (tennis)
| 1977 South African Open | |
|---|---|
| Date | 28 November – 6 December |
| Edition | 74th |
| Category |
Grand Prix (5 Star) (M) Colgate series (W) |
| Draw | 32S / 16D |
| Prize money | $150,000 (M) $35,000 (W) |
| Surface | Hard / outdoor |
| Location | Johannesburg, South Africa |
| Venue | Ellis Park Tennis Stadium |
| Champions | |
| Men's Singles | |
 Guillermo Vilas |
|
| Women's Singles | |
 Linky Boshoff
|
|
| Men's Doubles | |
 Bob Lutz / Stan Smith |
|
| Women's Doubles | |
|
Ilana Kloss / Linky Boshoff
|
|
| Mixed Doubles | |
Linky Boshoff /  Colin Dowdeswell
|
|
The 1977 South African Open, also known by its sponsored name SAB Open, was a combined men's and women's tennis tournament played on outdoor hard courts in Johannesburg, South Africa. The men's tournament was part of the 1977 Colgate-Palmolive Grand Prix while the women's event was part of the 1977–1978 Colgate International Series. It was the 74th edition of the tournament and was held from 28 November through 6 December 1977. Guillermo Vilas and Linky Boshoff won the singles titles.
Guillermo Vilas defeated 
Buster Mottram 7–6, 6–3, 6–4
Linky Boshoff defeated Brigitte Cuypers 6–1, 6–4
...
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