Representing Netherlands, jelmermourik is active in the Age of Empires II scene. jelmermourik has participated in 324 matches across different game modes. The majority of jelmermourik's matches are in the ranked random map 1v1 mode.

jelmermourik wins most often with Ethiopians—50.0% in 46 games. Across 88 games on Arena, jelmermourik has a 55.7% win rate. jelmermourik performs best in the pocket position, with a 58.3% win rate over 12 matches.

jelmermourik has worked their way to 831 in RM Team. In RM Team, jelmermourik wins 48.8% of their matches (82 total).