The 1993 South African Grand Prix was won by Alain Prost of Williams.
The race in South Africa was round 1 of 16 of the 1993 season.
The 1993 South African Grand Prix was a Formula One motor race held at Kyalami on 14 March 1993. The race, contested over 72 laps, was the first race of the 1993 FIA Formula One World Championship and was won from pole position by Alain Prost, driving a Williams-Renault, with Ayrton Senna second in a McLaren-Ford and Mark Blundell third in a Ligier-Renault.
This was the 33rd South African Grand Prix and, as of 2017, the most recent.
source: Wikipedia
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