Borussia Dortmund was gifted an easy goal at the beginning of the match and held off a late response from the Mamelodi Sundowns on a fiercely warm day to win 4-3 in the Club World Cup group stage on Saturday.

The equation is simple for South African champions Mamelodi Sundowns, who battled Borussia Dortmund to a 4-3 defeat on Saturday, ahead of Wednesday's FIFA Club World Cup clash with Fluminense: win or go home.

Jobe Bellingham is among the scorers as Dortmund see off a second-half fightback from Mamelodi Sundowns to recovery their first victory in the tournament.