In the 2020–21 PLK season, his team finished 5th and exceeded expectations. The quarter-finals series against Śląsk Wrocław was Kolenda's first playoff experience. Yet, he was not able to prevent his team from falling 1-3 overall. For the series, Kolenda praised the defense tactics of the opponent's head coach Oliver Vidin.[1]
In April 2021, Łukasz Kolenda's contract with Trefl Sopot expired.[1]