Kobzystyi moved to Belgrade, Serbia, in 2019, joining the Mega Basket youth system.
He was a member of the Mega U19 rosters that won the Junior ABA League for the 2020–21 and 2021–22 season.
[4][5] In the 2021–22 BLS season, he was load out to OKK Beograd, the Mega Basket affiliate.
After Kobzystyi finished the season in mega, he signed a contract with University of Oregon also known as Ducks In August 2019, Kobzystyi was a member of the Ukraine U16 national team at the FIBA U16 European Championship Division B in Podgorica, Montenegro.
[9] In July 2022, Kobzystyi was a member of the under-20 team that finished last at the FIBA U20 European Championship in Podgorica, Montenegro.