Serhou Guirassy became the first player since Erling Haaland to score four goals for Borussia Dortmund in a 6-0 rout of Union Berlin in the Bundesliga.

Serhou Guirassy and Pascal Gross played starring roles as Borussia Dortmund recorded their first Bundesliga victory under Niko Kovac.

Serhou Guirassy scored four goals as Borussia Dortmund returned to winning ways with a 6-0 thrashing of Union Berlin and coach Niko Kovac won his first Bundesliga match since taking charge of the team earlier this month.