Tomas Jonyla is a left-sided defender who is comfortable playing centrally or at left back. He joined the Academy at U14s and has impressed with his range of passing and tackling.

A Lithuania youth international, Jonyla made his debut for the U18s as an U15.

He made eight appearances in all competitions for Lauris Coggin's West Ham United U18s in the 2024/25 season before signing his scholarship in the summer of 2025.