He currently plays for Kepez Belediyespor, wearing the number 88 shirt. He plays primarily as a Midfield.

His most recent move was a Transfer from Antalyaspor to Isparta Davraz SK on 2020-10-05. The reported fee was -.

Across 18 appearances in the Turkish Third League 2025-2026, Mustafa Acar registered 0 goals and 0 assists, while completing 0 key passes out of 0 total passes with a passing accuracy of -.