Stadium: Court 3 Round: 54 Ground: Hardcourt indoor
| ITF M15 Uberlingen | 2023/08/14 10:00 | Christopher Patzanovsky v Rostislav Galfinger | 7-5,7-6 |
| ITF M15 Frankfurt Am Main | 2023/08/08 13:00 | Rostislav Galfinger v Sebastian Fanselow | 1-6,7-6,2-6 |
| ITF M15 Frankfurt Am Main | 2023/08/07 15:30 | Mariano Dedura-Palomero v Rostislav Galfinger | 3-6,1-6 |
| ITF M15 Metzingen | 2023/07/26 14:45 | Rostislav Galfinger v Aleksandre Metreveli | 5-7,6-2,4-6 |
| ITF M15 Metzingen | 2023/07/24 12:00 | Karlo Cubelic v Rostislav Galfinger | 2-6,4-6 |
| ITF M15 Metzingen | 2023/07/23 16:00 | Alex Solanki v Rostislav Galfinger | 3-6,6-3,9-11 |
| ITF M15 Metzingen | 2023/07/23 07:30 | Marvin Schaber v Rostislav Galfinger | 6-7,3-6 |
| ITF M15 Uslar | 2023/07/19 16:50 | Rostislav Galfinger v Christoph Negritu | 2-6,0-6 |
| ITF M15 Sunrise | 2023/04/11 16:00 | Mwendwa Mbithi v Carson Cerejo | 6-1,6-0 |
| ITF M25 Weston | 2022/01/23 16:30 | Noah Rubin v Carson Cerejo | 6-2,6-2 |