Representing Taiwan, Rosen is active in the Age of Empires II scene. Age of Empires II records show 582 matches for Rosen. unranked is the primary game mode for Rosen.

Byzantines is the go-to civilization for Rosen, making up 12.1% of their picks. When picking Byzantines, Rosen achieves a 50.9% win rate over 57 games. Black Forest has proven to be Rosen's strongest map—65.2% win rate in 69 games.

In the pocket position, Rosen has a 75.8% win rate across 66 games. Rosen sits at 1209 ELO in RM Team. A 44.7% win rate over 76 games defines Rosen's RM 1v1 record.