Based in Hong Kong, 三七开 competes in Age of Empires II. 256 matches of Age of Empires II are on 三七开's record. 三七开 tends to queue for ranked random map team matches.

三七开 has a clear affinity for Japanese, choosing it in 28.9% of their games. When picking Japanese, 三七开 achieves a 55.6% win rate over 72 games. Nomad has proven to be 三七开's strongest map—58.6% win rate in 87 games.

In the pocket position, 三七开 has a 58.9% win rate across 56 games. On the RM Team leaderboard, 三七开 has a rating of 1240. Across 256 RM Team games, 三七开 holds a 50.4% win rate.