AB de Villiers holds the record for the fastest fifty in ODI history, off just 16 balls, in the same 2015 innings where he also set the fastest-century record. Which team was he playing against?

Answer Explanation

De Villiers reached fifty off 16 balls and a century off 31 balls in the same innings of 149 not out against the West Indies at the Wanderers in Johannesburg on 18 January 2015.