Qihao "C4LLM3SU3" Su is a professional Chinese esports player widely known not only in the Asian region but also across the global Counter-Strike 2 pro scene. He has competed in this discipline for over two and a half years. During this time, he has established himself as a team player who is also capable of clutching important rounds solo. Thanks to this, Qihao has repeatedly won prize places at various levels of tournaments, earning over $4,000 in total prize money.
He began his professional career at the end of 2022, hitting the ground running. In his very first tournament, he won gold medals — the championship title at ESEA Season 43: Intermediate Division - North America as part of TempZ Impact. Early in 2023, Su moved to Argon Esports, where he immediately won silver medals in a major competition. Afterwards, he played unsuccessfully for several lesser-known teams, including Team DNA, Chinese Puggers, and Onliners.
In February 2024, Qihao received an invitation from the Asian team G3, participating in several qualifiers and finishing as runner-up at Fragadelphia CS/DO 2024. From April to June, he played for Wildcard, with whom he took second place at ESL Challenger League Season 47: North America. After this, he joined FLUFFY AIMERS but left after a few tournaments to accept an offer from Lynn Vision Gaming in mid-February 2025.
With his new team, Qihao "C4LLM3SU3" Su took part in multiple tournaments and has already marked several achievements. He won the championship title at ESL Challenger League Season 49: Asia, earned silver medals at the Asian Champions League 2025, and placed 20-22nd and 13-16th at ESL Pro League Season 21 and Intel Extreme Masters Dallas 2025, respectively.
Currently, Qihao "C4LLM3SU3" Su continues to compete in Counter-Strike 2 as a member of Lynn Vision Gaming’s main roster.