Stadium: Sparkassen Court Round: 25 Ground: Clay
| Challenger Prostejov | 2023/06/04 13:00 | Roman Andres Burruchaga v Daniel Siniakov | 7-5,7-5 |
| ITF M25 Jablonec Nad Nisou | 2023/05/31 11:50 | Daniel Siniakov v Stuart Parker | 0-6,2-6 |
| ITF M25 Most | 2023/05/24 12:00 | Patrik Rikl v Daniel Siniakov | 6-3,4-6,6-3 |
| ITF M25 Most | 2023/05/23 09:20 | Daniel Siniakov v Samuel Puskar | 6-0,6-3 |
| ITF M25 Most | 2023/05/22 10:30 | Daniel Siniakov v Nicolo Toffanin | 6-0,6-2 |
| ITF M25 Prague | 2023/05/15 10:30 | Daniel Siniakov v Stepan Mruzek | 7-6,4-6,9-11 |
| ITF M25 Prague | 2023/05/14 11:00 | Daniel Siniakov v Martin Machala | 6-3,6-0 |
| ITF M25 Trnava | 2023/03/28 08:00 | Daniel Siniakov v Mikolaj Lis | 4-6,6-2,8-10 |
| ITF M15 Saarlouis | 2023/06/19 09:30 | Max Wiskandt v Guy Den Heijer | 4-6,2-6 |
| ITF M15 Saarlouis | 2023/06/18 12:00 | Max Wiskandt v Max Van Nunen | 6-0,6-2 |
| ITF M15 Monastir | 2023/06/01 12:25 | Hady Habib v Max Wiskandt | 4-6,5-7 |
| ITF M15 Monastir | 2023/05/31 12:40 | Nicolas Jadoun v Max Wiskandt | 2-6,4-6 |
| ITF M15 Monastir | 2023/05/29 10:30 | Max Wiskandt v Nicolas Philibert | 7-6,6-2 |
| ITF M15 Monastir | 2023/05/29 08:00 | Max Wiskandt v Adam Bronka | 6-2,6-1 |
| ITF M15 Monastir | 2023/05/22 15:10 | Linang Xiao v Max Wiskandt | 6-3,3-6,10-8 |
| ITF M15 Monastir | 2023/05/22 08:30 | Adam Bronka v Max Wiskandt | 3-6,1-6 |