BOOM Esports became one of the teams that competed in PCS Summer 2021. After competing for almost 1 month, BOOM secured 4th place in the group stage of the tournament and qualified to the playoff stage to fight for 2 tickets to the World Championship 2021.

In the group stage, BOOM held a win and lose record, 11-7 and having the same score of J Team. Having a tiebreaker match to determine 4th place, BOOM secured the victory after having a best of one match for 36 minutes.

Currently, BOOM Esports League of Legends is in the playoff lower bracket after losing the match against J Team (1-2) and surviving the first round of the lower bracket match against Liyab Esports 2-1. Machi Esports became the next opponent in the playoff that was held on 21 August 2021 at 16.00.