 He scored Dortmund's third goal in a 3–0 rout of Shakhtar Donetsk on 5 March, completing a 5–2 aggregate victory over the Ukrainian champions as Dortmund progressed to the quarter-finals of the Champions League.The result meant that the Yellow-Blacks had advanced to the quarter-finals for the first time in 15 years.On 2 June 2013, Błaszczykowski signed a new contract with Borussia Dortmund, keeping him at the club until 2018.