[5] He was initially Germany's reserve for the 2022 World Championships, but he was added to the team after Lucas Kochan withdrew due to health reasons.

[6] He competed alongside Lukas Dauser, Nils Dunkel, Glenn Trebing [de], and Andreas Toba, and they placed ninth in the qualification round, making them the first reserves for the team final.

[7] Brendel competed in the mixed team event at the 2023 DTB Pokal Stuttgart, helping Germany win the silver medal behind Japan.

[5][11] He then competed at the 2023 World Championships and helped Germany qualify for the team final where they finished sixth.

[15] He was then selected to represent Germany at the 2024 Summer Olympics alongside Lukas Dauser, Nils Dunkel, Timo Eder, and Andreas Toba.