 On 18 January 2016 he was added to South Africa's Test squad, and became the 6th South African (and 102nd Test player) to score a century on debut coincidentally at Centurion Park, which was a historical moment, during the first day of the fourth Test against England.Cook was the first South African to face the pink ball as well as the first ever delivery in a day-night Test match and co-incidentally his father Jimmy Cook was also the first ever South African to have faced the white ball in an ODI.Cook is the first ever batsman to score a test century in the 3rd innings of a Day/Night test match, when he scored 104 in that innings.