Cape Town - The Blitzboks have convincingly beaten Japan 35-5 in their second Pool A match at the Paris World Rugby Sevens on Saturday.
The Blitzboks led 14-0 at half-time.
Earlier, the Blitzboks' campaign got off to the worst possible start when they were beaten by Scotland 19-12 in their opening match.
The Blitzboks will play Canada (18:42) in their final pool match.