SeiRen is among the Age of Empires II players representing Japan. Across all ladders, SeiRen has played 1198 matches. SeiRen picks Mongols more than any other civilization—12.2% of the time.

SeiRen performs best with Vikings, holding a 76.5% win rate across 34 matches. Arabia has proven to be SeiRen's strongest map—53.6% win rate in 485 games. SeiRen has the highest win rate in the flank position: 62.2% over 196 games.

SeiRen's highest rating is 2824 in the RM Team ladder. Across 382 RM Team games, SeiRen holds a 63.6% win rate.