Olejniczak has a career-high ATP singles ranking of World No.

He also has a career-high ATP doubles ranking of World No.

In June, Olejniczak qualified in singles for the 2008 Wimbledon Championships after defeating World No.

158 Aisam Qureshi, and Rik de Voest respectively in the three qualifying rounds.

This biographical article relating to Polish tennis is a stub.