To date, Duncan has played 68 matches in Age of Empires II. With 18 matches as pocket, Duncan holds a 44.4% win rate. Duncan maintains a 43.5% win rate in their 23 RM Team matches.

A Czech player, Duncan is active in ranked random map 1v1 with a 75.0% pick rate for Magyars. Duncan has reached 1053 in RM 1v1. They win 58.8% with Magyars and 60.5% on Arabia.