With 945 matches played, Posera is an experienced Age of Empires II player. Posera's best position is pocket with 52.7% wins in 110 games. In RM 1v1, Posera wins 42.5% of their matches (40 total).

Posera represents Czechia in unranked, most often selecting Saracens (20.1%). At an ELO of 922 in RM 1v1, Posera holds 59.7% with Goths and 50.8% on Black Forest.