[9][10] He won the gold medal in the men's individual compound event at the 2019 European Games held in Minsk, Belarus.

Schloesser and Sanne de Laat also won the silver medal in the mixed team compound event.

[11] In 2020, Schloesser won the silver medal in the men's individual compound event at the World Archery Championships held in Yankton, United States.

[18][19] Schloesser won the gold medal in the men's individual compound event at the 2022 European Archery Championships held in Munich, Germany.

[20] Schloesser and Sanne de Laat won the gold medal in the mixed team compound event at the 2024 European Archery Championships held in Essen, Germany.