Stadium: VIP 4 Round: 26 Ground: Clay
| ITF M15 Tehran | 2023/06/14 06:30 | Denis Klok v Saveliy Ivanov | 6-3,6-2 |
| ITF M15 Tehran | 2023/06/08 06:00 | Alexander Stater v Denis Klok | 3-6,6-3,7-5 |
| ITF M15 Tehran | 2023/06/07 09:55 | Manish Ganesh v Denis Klok | 2-6,2-6 |
| ITF M25 Kiseljak | 2023/06/01 12:30 | Denis Klok v Dmitry Popko | 5-7,2-6 |
| ITF M25 Kiseljak | 2023/05/31 14:00 | Mirza Basic v Denis Klok | 4-6,3-6 |
| ITF M15 Pazardzhik | 2023/05/21 07:00 | Denis Klok v Iliyan Radulov | 1-6,1-6 |
| ITF M15 Pazardzhik | 2023/05/20 07:00 | Gabriel Donev v Denis Klok | 6-7,5-7 |
| ITF M15 Pazardzhik | 2023/05/19 09:45 | Alexander Vasilev v Denis Klok | 2-6,3-6 |
| ITF M15 Tehran | 2023/06/14 06:30 | Rostislav Galfinger v Jagmeet Singh | 6-1,6-2 |
| ITF M15 Tehran | 2023/06/13 08:30 | Rostislav Galfinger v Kaya Arinc | 6-3,6-3 |
| ITF M15 Tehran | 2023/06/11 09:30 | Mousa Alkotop v Rostislav Galfinger | 2-6,5-7 |
| UTR Pro Tennis Series Newport Beach | 2022/10/04 20:08 | Alessandro-D Ventre v Rostislav Galfinger | 6-1,6-1 |
| UTR Pro Tennis Series Newport Beach | 2022/10/03 19:40 | Rostislav Galfinger v Matteo Antonescu | 2-6,3-6 |
| UTR Pro Tennis Series Barcelona | 2022/07/12 06:00 | Nicolas Bianchi v Rostislav Galfinger | 6-1,6-1 |
| UTR Pro Tennis Series Barcelona | 2022/07/10 12:00 | Rostislav Galfinger v Antonio M-Hidalgo | 1-6,2-6 |
| UTR Pro Tennis Series Barcelona | 2022/07/06 09:30 | Luciano Doria v Rostislav Galfinger | 6-1,6-1 |