He is on the books of Siauliai B and wears shirt number 6. At international level, he features for Lithuania U17. His main role on the pitch is Midfield.

His latest transfer saw him join FA Siauliai B from Siauliai via on 2026-01-01.

Over 22 appearances in the Lithuanian I Lyga 2025, Grantas jaseliunas contributed 1 goals and 0 assists, completed 0 key passes from 0 total passes, and posted a passing accuracy of -.