Stadium: Court 1 Round: 25 Ground: Hardcourt indoor
| Challenger Ismaning | 2023/10/29 10:55 | Antoine Bellier v Khumoyun Sultanov | 6-3,7-6 |
| ITF M25 Sarreguemines | 2023/10/27 10:00 | Dan Added v Khumoyun Sultanov | 7-5,6-4 |
| ITF M25 Sarreguemines | 2023/10/26 08:00 | Jannik Opitz v Khumoyun Sultanov | 5-7,2-6 |
| ITF M25 Sarreguemines | 2023/10/24 07:50 | Jakob Schnaitter v Khumoyun Sultanov | 6-3,4-6,5-7 |
| Challenger Hamburk | 2023/10/16 10:20 | Akira Santillan v Khumoyun Sultanov | 6-2,5-7,6-4 |
| Challenger Hamburk | 2023/10/15 10:15 | Tuncay Duran v Khumoyun Sultanov | 4-6,4-6 |
| Davis Cup | 2023/09/17 13:05 | Joris De Loore v Khumoyun Sultanov | 6-3,6-4 |
| Davis Cup | 2023/09/16 11:55 | Kimmer Coppejans v Khumoyun Sultanov | 6-7,6-3,6-7 |
| ITF M15 Sharm El Sheikh | 2023/10/18 11:35 | Lukas Pokorny v Oscar Galimardanov | 3-6,5-7 |
| Challenger Bratislava | 2023/10/11 15:15 | Lukas Pokorny v Maxime Cressy | 6-7,3-6 |
| Challenger Alicante | 2023/10/02 10:40 | Moez Echargui v Lukas Pokorny | 6-2,6-3 |
| Challenger Alicante | 2023/10/01 13:05 | Lukas Pokorny v Vladyslav Orlov | 6-3,6-0 |
| Challenger Istanbul | 2023/09/04 07:00 | Leo Borg v Lukas Pokorny | 7-6,4-6,6-1 |
| Challenger Istanbul | 2023/09/03 07:00 | S Mert Ozdemir v Lukas Pokorny | 4-6,2-6 |
| ITF M15 Monastir | 2023/08/27 08:00 | Seydina Andre v Lukas Pokorny | 3-6,6-2,7-6 |
| ITF M15 Monastir | 2023/08/26 08:30 | Lukas Pokorny v Martin Landaluce | 4-6,7-6,6-2 |