Willian's first goal of the season came in a 6–1 Ukrainian Cup round of 32 victory against Dniester Ovidiopol on 15 August. He made an appearance in Shakhtar's 1–0 extra time defeat to Spanish side Barcelona in the UEFA Super Cup on 28 August, being replaced by Julius Aghahowa in the 90th minute of the match. On 17 September, he netted the second goal in a 4–1 win against Belgian side Club Brugge in a group stage match in the Europa League. He ended the season with 7 goals in 39 appearances, including 22 appearances and five goals in the league. He helped Shakhtar to victory in the Ukrainian Premier League. They finished the league with 77 points, six ahead of nearest rivals Dynamo Kyiv.