He currently plays for Siauliai B, wearing the number 6 shirt. At the international level, he represents Lithuania U17. He plays primarily as a Midfield.

His most recent move was a from Siauliai to FA Siauliai B on 2026-01-01.

Across 22 appearances in the Lithuanian I Lyga 2025, Grantas jaseliunas registered 1 goals and 0 assists, while completing 0 key passes out of 0 total passes with a passing accuracy of -.