He was part of the roster for the UEFA Euro 2012 held in Poland and Ukraine, but remained benched for all three games played in the tournament by the co-hosts.

He earned a total of 23 caps and made his final appearance in a 2–1 friendly win against Lithuania on 6 June 2014.

[2] Shortly after retiring from professional football in mid-2021, Wojtkowiak joined the technical staff of Lech Poznań's academy, starting off as an assistant coach of the under-19 team.

[4] On 28 May 2024, three days after Lech's reserve side was relegated to the fourth division, Wojtkowiak was appointed as their new manager on a three-year contract.

This biographical article related to a Polish association football defender is a stub.