He currently plays for Banik Ostrava B, wearing the number 25 shirt. At the international level, he represents Czechia Republic U17. He plays primarily as a Defender.

His most recent move was a Loan from Vitkovice to Banik Ostrava B on 2025-12-31.

Throughout the Chance Národní Liga 2025-2026, David Rehacek featured in 1 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.