Stadium: Court 8 Round: 25 Ground: Clay
| ITF M25 Kassel | 2023/07/12 11:25 | Daniel Siniakov v Facundo Yunis | 4-6,1-6 |
| ITF M25 Kassel | 2023/07/11 09:30 | Daniel Siniakov v Taym Alazmeh | 6-3,7-6 |
| ITF M25 Kassel | 2023/07/10 08:00 | Daniel Siniakov v Vojtech Mares | 7-5,6-4 |
| 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 Telfs | 2023/07/17 13:45 | Timofey Stepanov v Dennis Dragomirov | 6-4,6-4 |
| ITF M25 Telfs | 2023/07/17 07:00 | Timofey Stepanov v Christian Fellin | 6-3,6-3 |
| ITF M25 Klosters | 2023/07/05 09:35 | Timofey Stepanov v Mili Poljicak | 1-6,4-6 |
| ITF M15 Celje | 2023/06/29 14:45 | Enrico Dalla Valle v Timofey Stepanov | 6-3,6-1 |
| ITF M15 Celje | 2023/06/28 17:40 | Domagoj Biljesko v Timofey Stepanov | 5-7,6-4,4-6 |
| ITF M15 Celje | 2023/06/27 08:20 | Zak Talic v Timofey Stepanov | 3-6,0-6 |
| ITF M15 Celje | 2023/06/26 14:00 | Nik Mikovic v Timofey Stepanov | 2-6,2-6 |
| ITF M15 Store | 2023/06/22 06:55 | Martin Krumich v Timofey Stepanov | 6-2,6-4 |