He is on the books of Bulvarspor and wears shirt number 4. His main role on the pitch is Defender. His stronger foot is Right.

His latest transfer saw him join Bulvarspor from Antalyaspor U19 via on 2023-09-06.

Across the Turkish Third League 2025-2026, Erkin Kocakahya appeared in 18 matches and averaged 0 tackles, 0 interceptions, 0 clearances, and 0 blocked shots per game.