Representing Germany, Guenni is active in the Age of Empires II scene. 28 matches of Age of Empires II are on Guenni's record. Guenni has a clear preference for the unranked ladder.

Guenni has never played a ranked match in Age of Empires II. Playing the flank role, Guenni achieves a 100.0% win rate over 1 matches.