Twenty-two points by Handre Pollard and second-half tries from wingers Makazole Mapimpi and Cheslin Kolbe guaranteed a relaxed win for the Springboks at the International Stadium Yokohama in Japan.
Springboks became the first team to win a Rugby World Cup after losing a match in the pool stages.
South Africa are the current champions, having defeated England in the final of the 2019 tournament in Japan.
Whether it is breaking news or a view, your contribution can make a huge difference. Are there topics you want to get people talking about? ... Email us at firstname.lastname@example.org