Bangladesh paceman Subashis Roy broke the partnership of Hashim Amla and du Plessis as Amla walked out to the pavilion after scoring 132 in Bloemfontein on Saturday.
Before Amlas’ departure, the duo made a 247- run partnership and took South Arfica in a commanding position.
Skipper du Plessis was not out on 133 off 179.
Stumper Quinton de Kock has come to the crease. He has already made 26 off only 21 balls.
Till filing of this report, South Arfica posted 571 for the loss of four wickets in 119 overs.