Stadium: Court 1 Round: 26 Ground: Clay
| ITF M15 Satu Mare | 2023/09/13 07:00 | Tudor Batin v Vitek Horak | 1-6,3-6 |
| ITF M15 Satu Mare | 2023/09/12 07:00 | Filip Gabriel Bara v Vitek Horak | 5-7,4-6 |
| ITF M15 Satu Mare | 2023/09/11 07:00 | Vitek Horak v Hamid Reza Nadaf | 6-3,6-4 |
| ITF M25 Jablonec Nad Nisou | 2023/08/31 08:45 | Mohamed Safwat v Vitek Horak | 6-3,6-1 |
| ITF M25 Jablonec Nad Nisou | 2023/08/30 07:55 | Vitek Horak v Jakub Vrba | 6-2,6-4 |
| ITF M25 Jablonec Nad Nisou | 2023/08/29 10:30 | Akram El Sallaly v Vitek Horak | 2-6,3-6 |
| ITF M25 Jablonec Nad Nisou | 2023/08/28 09:00 | Alex Solanki v Vitek Horak | 3-6,4-6 |
| ITF M25 Jablonec Nad Nisou | 2023/08/27 08:00 | Vitek Horak v Maxwell Benson | 6-3,7-5 |
| ITF M15 Satu Mare | 2023/09/13 13:35 | Dragos N Cazacu v Maik Steiner | 3-6,6-3,4-6 |
| ITF M15 Constanta | 2023/09/07 07:00 | Maik Steiner v Lorenzo Joaquin Rodriguez | 1-6,1-6 |
| ITF M15 Constanta | 2023/09/06 07:00 | Maik Steiner v Dominic Ducariu | 6-2,1-6,6-3 |
| ITF M15 Allershausen | 2023/08/31 10:00 | Tom Gentzsch v Maik Steiner | 7-6,6-4 |
| ITF M15 Allershausen | 2023/08/30 13:45 | Maik Steiner v Frederic Schlossmann | 6-3,4-6,6-1 |
| ITF M15 Huy | 2023/08/22 09:00 | Stijn Slump v Maik Steiner | 7-5,6-7,6-4 |
| ITF M15 Eupen | 2023/08/10 09:00 | Luca Wiedenmann v Maik Steiner | 3-6,6-3,6-1 |
| ITF M15 Eupen | 2023/08/09 11:25 | Maik Steiner v Leopold Zima | 6-3,6-3 |