[5] Making his international debut at the 2018 Golden Spin of Zagreb, Chen won the silver medal on the junior level.

[3] He was ultimately assigned to the 2019 Junior World Championships where he finished in twenty-fifth place after the short program and did not advance to the free skate.

[10] With the 2020–21 figure skating season having to deal with the COVID-19 pandemic, senior skaters were invited to a maximum of one Grand Prix event, based largely on geographic location.

[3] At the 2023 World Junior Championships, he placed fourteenth after the short program, but had a strong free skate, finishing fifth in the segment and eighth overall.

[17] Chen started the season by competing on the 2023–24 ISU Junior Grand Prix circuit, placing seventh at 2023 JGP Hungary.

During the free skate, Chen had a hard fall on the opening triple axel, seemingly injuring himself as he began limping after getting up.

[9] In early October 2024, it was announced that Chen had left longtime coach, Li Wei and had started training under Dan Fang.