Tim Sandkaulen

Challengers

 * Doubles
 * 🇸🇰 Bratislava (12 Jun 2023) – Ariel Behar / 🇨🇿 Adam Pavlásek def. 🇦🇹 Neil Oberleitner / 🇩🇪 Tim Sandkaulen, 6–4, 6–4.
 * 🇩🇪 Karlsruhe (3 Jul 2023) – 🇦🇹 Neil Oberleitner / 🇩🇪 Tim Sandkaulen def. 🇨🇿 Vít Kopřiva / Michail Pervolarakis, 6–1, 6–1.
 * 🇨🇿 Liberec (31 Jul 2023) – 🇨🇿 Petr Nouza / 🇨🇿 Andrew Paulson def. 🇦🇹 Neil Oberleitner / 🇩🇪 Tim Sandkaulen, 6–3, 6–4.

Grand Slam

 * Singles
 * Doubles