Estádio: Court 3 Round: 54 Ground: Clay
| ITF - M25 Värnamo | 2023/05/08 11:00 | Joshua Schaefer v Anton Krondell | 7-5,7-6 |
| ITF - M15 Kuršumlijska Banja | 2023/05/01 09:55 | Alexandru Luca v Joshua Schaefer | 6-3,6-7,10-6 |
| ITF - M15 Kuršumlijska Banja | 2023/04/24 08:40 | Alessandro Bellifemine v Joshua Schaefer | 6-2,6-2 |
| ITF - M25 Angers | 2023/04/16 08:00 | Artiom Dorofeev v Joshua Schaefer | 6-0,6-0 |
| ITF - M25 Reus | 2023/04/02 12:00 | Gregoire Gervail v Joshua Schaefer | 7-6,6-4 |
| ITF - M25 Portimão | 2023/03/14 10:00 | Joshua Schaefer v Batiste Guerra | 2-6,4-6 |
| ITF - M25 Portimão | 2023/03/13 09:00 | Joshua Schaefer v Carlos Garcia Mondelo | 6-3,7-5 |
| ITF - M25 Portimão | 2023/03/12 09:00 | Joshua Schaefer v Glauco Pinheiro Da Cruz Junior | 7-5,6-3 |