Dhaka, June 22 -- Borussia Dortmund capitalised on an early defensive error and held off a late surge by Mamelodi Sundowns to secure a 4-3 win in a sweltering Club World Cup group stage clash at TQL Stadium on Saturday.

Both players and the crowd of 14,006 endured intense heat, with on-field cooling breaks implemented as temperatures soared to nearly 90degF (32degC) under a heat advisory.

The Sundowns struck first with a swift counterattack that Lucas Ribeiro Costa finished in the 11th minute. But Dortmund responded five minutes later when goalkeeper Ronwen Williams mistakenly passed the ball to Felix Nmecha, who easily converted the opportunity to level the score.

The Bundesliga side took full momentum from the miscue, building a 3-1 ...