jo_jack brings Japanese representation to Age of Empires II. 28 matches of Age of Empires II are on jo_jack's record. jo_jack focuses mainly on ranked random map 1v1 matches.

jo_jack has the highest win rate in the pocket position: 60.0% over 5 games. RM Team records show jo_jack at a rating of 940. jo_jack wins 46.2% of the time in RM Team after 13 matches.