Garidmagnai Byambasuren joined professional cybersport in 2020, signing a contract with the Chackmate team. As part of this team, he achieved his first success in Counter-Strike, winning the Yalalt Nadad Hamaatai tournament. In addition, the team participated in the Perfect World Asia League Fall 2020, but finished only in 6th position in the final standings.
In 2021, together with Chackmate, the cyber athlete participated in the Funspark Rivals Pre-Season tournament, where he managed to reach the semifinals. After that bLitz managed to enter the top 6 at the Perfect World League Season 1 tournament, as well as win silver at DreamHack Open June 2021: Asia.
In 2022, the number of wins increased significantly. The team took gold at a number of online tournaments: Funspark ULTI 2021: Asian Points Ranking, Funspark ULTI 2021: Asia Playoffs #2, PGL Major Antwerp 2022: Asia-Pacific RMR - Asian Open Qualifier, MESA League Season 2.
After that, in March 2022, bLitz joined the IHC Esports team. Together with it he won PGL Major Antwerp 2022: Asia-Pacific RMR, MESA Pro Series: Summer 2022, 5E Arena Asia Cup 2022: Asian Open Qualifier #2, IEM Road to Rio 2022: Asia-Pacific RMR - Asian Qualifier, Intel Extreme Masters Road to Rio 2022: Asia-Pacific RMR.
In 2023, as a member of the same IHC Esports, Byambasuren Gardmagnai won gold at Intel Extreme Masters Rio 2023: Asian Qualifier and BLAST.tv Paris Major 2023: Asian RMR Qualifier, as well as silver and bronze medals at ESL Pro League Season 17: Asian Conference and ESL Challenger League Season 44: Asia-Pacific, respectively.
In April 2023, he joined The MongolZ team, for which he is currently playing as a sniper. The most notable achievements in the history of this team for bLitz are wins at ESN National Championship 2023, ESL Challenger at DreamHack Atlanta 2023: Asian Qualifier, ESL Challenger League Season 46: Asia-Pacific, PGL Major Copenhagen 2024: East Asian Qualifier, PGL Major Copenhagen 2024: Asia-Pacific RMR, Esports World Cup 2024: Asian Qualifier and MESA Nomadic Masters Spring 2024.