Stadium: Court 6 Round: 25 Ground: Clay
| ITF M15 Warmbad-Villach | 2023/05/25 13:00 | Khumoyun Sultanov v Alex Barrena | 6-7,6-3,2-6 |
| ITF M15 Warmbad-Villach | 2023/05/25 08:25 | Khumoyun Sultanov v Liam Gavrielides | 6-7,6-2,6-4 |
| ITF M15 Warmbad-Villach | 2023/05/23 11:50 | Khumoyun Sultanov v Filippo Speziali | 6-1,6-2 |
| ITF M25 Praha | 2023/05/18 11:35 | Michael Vrbensky v Khumoyun Sultanov | 6-7,7-6,6-2 |
| ITF M25 Praha | 2023/05/17 10:50 | Jeremy Jahn v Khumoyun Sultanov | 3-6,3-6 |
| Challenger - Ostrava | 2023/04/25 08:00 | Khumoyun Sultanov v Harold Mayot | 2-6,0-6 |
| Challenger - Ostrava | 2023/04/24 08:30 | Gerald Melzer v Khumoyun Sultanov | 1-6,2-6 |
| Challenger - Ostrava | 2023/04/23 09:55 | Khumoyun Sultanov v Andrew Paulson | 6-3,6-2 |
| ITF M15 Warmbad-Villach | 2023/05/22 14:35 | Sandro Kopp v Luca Wiedenmann | 3-6,6-7 |
| ITF M25 Reggio Emilia | 2023/05/18 11:30 | Giorgio Tabacco v Sandro Kopp | 6-3,6-7,6-3 |
| ITF M25 Reggio Emilia | 2023/05/17 07:30 | Wilson Leite v Sandro Kopp | 6-7,6-7 |
| Challenger Mauthausen | 2023/05/11 11:55 | Sandro Kopp v Dennis Novak | 5-7,6-3,3-6 |
| Challenger - Ostrava | 2023/04/23 08:30 | Timo Stodder v Sandro Kopp | 7-6,6-2 |
| Challenger Oeiras | 2023/04/16 11:10 | Petr Nouza v Sandro Kopp | 6-2,7-6 |
| ITF M25 Trento | 2023/03/30 10:25 | Anton Matusevich v Sandro Kopp | 3-6,7-6,6-2 |
| ITF M25 Trento | 2023/03/29 17:05 | Daniil Glinka v Sandro Kopp | 6-7,3-6 |