Representing Brazil, Guii is active in the Age of Empires II scene. Guii has logged 30 matches in the game. The majority of Guii's matches are in the ranked random map team mode.

With 4 matches as pocket, Guii holds a 100.0% win rate. A rating of 896 in RM Team reflects Guii's current level. In RM Team, Guii wins 36.8% of their matches (19 total).