[1] Born in Vienna, Prokop started his football career with Austria Wien.

He made his league debut on 10 April 2016 against SV Grödig at Franz Horr Stadium, replacing Raphael Holzhauser in a game Austria Wien lost by 2–0.

[3] On 14 July 2016, Prokop played in the UEFA Europa League against FK Kukësi as a starter for the first time.

[4] He scored his first goal for Austria Wien on 20 October 2016 at matchday three of the 2016–17 UEFA Europa League group stage against AS Roma in the 82nd minute.

This biographical article related to association football in Austria, about a midfielder, is a stub.