Stadium: Court 5 Round: 54 Ground: Clay
| ITF M25 Marburg | 2023/07/04 15:00 | Daniel Siniakov v Max Wiskandt | 2-6,4-6 |
| 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 Jablonec Nad Nisou | 2023/05/28 09:00 | Vojtech Mares v Ondrej Horak | 5-7,0-6 |
| ITF M25 Most | 2023/05/21 10:30 | Vojtech Mares v Samuel Kyjaci | 4-6,6-4,8-10 |
| ITF M15 Bressuire | 2023/01/15 15:05 | Lucas Poullain v Vojtech Mares | 6-2,6-1 |
| ITF M15 Bressuire | 2023/01/15 09:00 | Vojtech Mares v Jakub Prachar | 6-3,6-4 |
| ITF M15 Heraklion | 2022/11/01 07:30 | Matthew Dellavedova v Vojtech Mares | 6-3,6-0 |
| ITF M15 Heraklion | 2022/10/31 09:30 | Vojtech Mares v James Davis | 6-2,1-6,10-6 |
| ITF M15 Heraklion | 2022/10/30 07:00 | Vojtech Mares v Stephanos Schinas | 5-7,6-1,10-6 |
| ITF M15 Heraklion | 2022/10/23 06:30 | Vojtech Mares v Stijn Pel | 4-6,2-6 |