Petr Nouza

Challengers

 * Doubles
 * 🇲🇰 Skopje (22 May 2023) – 🇨🇿 Petr Nouza / 🇨🇿 Andrew Paulson def. 🇮🇳 Sriram Balaji / 🇮🇳 Jeevan Nedunchezhiyan, 7–6(7–5), 6–3.
 * 🇵🇱 Poznań (19 Jun 2023) – 🇵🇱 Karol Drzewiecki / 🇨🇿 Petr Nouza def. Ariel Behar / 🇨🇿 Adam Pavlásek, 7–6(7–2), 7–6(7–2).
 * 🇨🇿 Liberec (31 Jul 2023) – 🇨🇿 Petr Nouza / 🇨🇿 Andrew Paulson def. 🇦🇹 Neil Oberleitner / 🇩🇪 Tim Sandkaulen, 6–3, 6–4.