Stadium: Court 2 Round: 44 Ground: Clay
| ITF M15 Oradea | 2024/06/11 09:00 | Toprak Avcibasi v Oskar Grzegorzewski | 6-4,3-6,10-6 |
| ITF M15 Oradea | 2024/06/11 06:00 | Eduard Vlasceanu v Oskar Grzegorzewski | 4-6,1-6 |
| ITF M15 Oradea | 2024/06/09 10:00 | Nicola Ion v Oskar Grzegorzewski | 2-6,2-6 |
| ITF M15 Addis Ababa | 2024/05/14 08:25 | Kabir Hans v Oskar Grzegorzewski | 6-3,6-2 |
| ITF M15 Addis Ababa | 2024/05/13 07:40 | Tushar Madan v Oskar Grzegorzewski | 6-7,6-7 |
| ITF M15 Monastir | 2024/04/24 17:10 | Alexey Zakharov v Oskar Grzegorzewski | 6-1,4-6,6-2 |
| ITF M15 Monastir | 2024/04/22 14:20 | Niklas Waldner v Oskar Grzegorzewski | 7-6,6-2 |
| ITF M15 Monastir | 2024/04/22 09:30 | Venedikt Tsirikidze v Oskar Grzegorzewski | 2-6,6-7 |
| ITF M15 Tanger | 2024/06/23 10:00 | Joshua Schaefer v Pierre Gimla | 6-0,6-0 |
| ITF M15 Casablanca | 2024/06/16 10:00 | Joshua Schaefer v Matthieu Chambonniere | 0-6,0-6 |
| ITF M25 Rabat | 2024/06/10 10:00 | Ali Missoum v Joshua Schaefer | 7-5,6-2 |
| ITF M25 Cordoba | 2024/06/03 16:30 | Joshua Schaefer v Luca Hesselmann | 3-6,2-6 |
| ITF M15 Meerbusch | 2024/04/21 13:30 | Felix Einig v Joshua Schaefer | 6-3,6-1 |
| ITF M25 Hammamet | 2024/04/07 08:30 | Francesco Cano v Joshua Schaefer | 6-0,6-2 |
| ITF M25 Hammamet | 2024/04/01 14:25 | Ivan Kazakov v Joshua Schaefer | 7-5,6-2 |
| ITF M15 Sharm El Sheikh | 2024/03/24 08:00 | Joshua Schaefer v Karim Ibrahim | 2-6,4-6 |