Kagiso Rabada was at his lethal best, knocking the stuffing out of India’s batting with a fifer on a track offering extra and variable bounce, as South Africa took control of the proceedings on the opening day of the first Test in Centurion on Boxing Day. KL Rahul (70 not out, 105 balls) continued his love affair with Supersport Park, displaying excellent temperament on a difficult pitch, taking India to 208 for 8 in 59 overs when rain forced early stumps.