Tjark Ernst is a 23-year-old professional football player from GER. At the international level, he represents Germany U21. He plays primarily as a Goalkeeper. He stands at 193cm tall and weighs 78kg. His preferred foot is Right. His current market value is estimated at 4M .

His most recent move was a Free from Hertha Berlin to Feyenoord on 2026-07-15. The reported fee was 5M €.

In the International Club Friendly 2025, Tjark Ernst played 1 matches, averaging 0 interceptions, 0 tackles, and 0 clearances per game.