South Africa continued their dominance of the second test against New Zealand at Centurion on Monday.
SA reached stumps on the third day on 105/6‚ a lead of 372.
De Kock‚ who had not opened the batting in any of his 13 previous test innings‚ offered to do so after Dean Elgar twisted an ankle while stepping over the boundary the day before the match.
Having scored 82 in the first innings‚ the 24-year-old clipped 50 off 43 balls on Monday.
Russell Domingo’s men dismissed New Zealand for 214 with Dale Steyn and Kagiso Rabada sharing six wickets.
So far things look Set for the South Africans, as they steam towards victory.