Representing France, John_Duff is active in the Age of Empires II scene. Having completed 292 matches, John_Duff has built up solid experience in Age of Empires II. ranked random map 1v1 is the primary game mode for John_Duff.

John_Duff's best win rate is 53.3% with Mongols in 105 matches. Playing on Arabia, John_Duff achieves their best results—50.7% wins over 229 matches. John_Duff has climbed to 820 in the RM 1v1 ladder.

Over 292 RM 1v1 games, John_Duff has won 49.3% of the time.