See main article: 2023 Platzmann-Sauerland Open.
Robin Haase and Sem Verbeek were the defending champions[1] but only Verbeek chose to defend his title, partnering Daniel Cukierman. Verbeek lost in the quarterfinals to Gabriel Roveri Sidney and Akira Santillan.
Luca Margaroli and Santiago Rodríguez Taverna won the title after defeating Jakob Schnaitter and Kai Wehnelt 7–6(7–4), 6–4 in the final.