Nicolai Rapp

In summer 2017, Rapp signed with 2. Bundesliga side Erzgebirge Aue. In January 2019, Rapp joined league rivals Union Berlin having agreed a 3.5-year contract until summer 2022. On 24 June 2021, it was announced Rapp would join Werder Bremen for the 2021–22 season. The transfer fee paid to Union Berlin was reported as about €200,000. Following Werder Bremen's return to the Bundesliga, he made seven substitute appearances in the 2022–23 season. Having expressed his desire for more playing time, Rapp joined 1. FC Kaiserslautern on loan until the end of the 2022–23 season in January 2023. On 23 January 2024, Rapp signed with Karlsruher SC in the 2. Bundesliga. On 19 June 2026, Rapp moved to Dynamo Dresden in the same league.

Rapp is a youth international for Germany.

As of match played 2 January 2023