He is on the books of Zhejiang Football Administration Centre U14 and wears shirt number 7. His main role on the pitch is Forward.

During the Hangzhou "Qianchao Cup" International Youth Football Invitational Tournament 2025 campaign, Zheng Zhehan made 5 appearances, scoring 4 goals and adding 0 assists. He averaged 0.8 goals per match from 0 shots, with 0 on target.