On 27 February, Lewandowski played in his side's 0–1 defeat to Bayern Munich in the 2012–13 DFB-Pokal quarter final. On 24 April, Lewandowski became the first player to score four goals in a Champions League semi-final as Borussia Dortmund defeated Spanish champions Real Madrid 4–1 in the first leg at Dortmund's Signal Iduna Park. On 25 May, he played in the 2013 UEFA Champions League Final in which Borussia Dortmund were defeated 1–2 by Bayern Munich.