Stadium: Court 21 Round: 62 Ground: Clay
| ITF M15 Antalya | 2021/10/25 10:30 | Marlon Vankan v Noah Schlagenhauf | 6-4,6-3 |
| ITF M15 Antalya | 2021/10/24 07:00 | David Hough v Noah Schlagenhauf | 6-2,1-6,3-10 |
| ITF M25 Pardubice | 2021/09/21 08:00 | Matvey Minin v Noah Schlagenhauf | 6-1,6-3 |
| ITF M25 Pardubice | 2021/09/20 08:00 | Noah Schlagenhauf v Michael Gloeckler | 6-3,6-2 |
| ITF M25 Eupen | 2021/09/05 12:00 | Noah Schlagenhauf v Mateo Nicolas Martinez | 3-6,4-6 |
| ITF M25 Sierre | 2021/09/01 15:25 | Leandro Riedi v Noah Schlagenhauf | 6-2,6-3 |
| ITF M25 Sierre | 2021/08/30 07:50 | Noah Schlagenhauf v Manfredi Graziani | 6-3,6-4 |
| ITF M25 Sierre | 2021/08/29 08:30 | Charles Minc v Noah Schlagenhauf | 4-6,2-6 |
| ITF M15 Antalya | 2021/10/20 07:00 | Lambert Ruland v Mert Naci Turker | 6-2,7-5 |
| ITF M15 Antalya | 2021/10/11 11:10 | Mert Naci Turker v Richard Zusman | 4-6,6-4,9-11 |
| ITF M15 Antalya | 2021/06/30 06:30 | Mert Naci Turker v Ignacio Carou | 2-6,3-6 |
| ITF M15 Antalya | 2021/06/23 07:00 | Mert Naci Turker v Fabian Marozsan | 1-6,2-6 |
| ITF M15 Antalya | 2021/06/22 09:25 | Olexiy Kolisnyk v Mert Naci Turker | 7-5,4-6,10-5 |
| ITF M15 Antalya | 2021/06/21 10:05 | Siim Troost v Mert Naci Turker | 1-6,1-6 |
| ITF M15 Antalya | 2021/06/20 07:00 | Adrian Mateo Bejenaru v Mert Naci Turker | 4-6,2-6 |
| ITF M15 Novomoskovsk | 2021/05/23 06:00 | Niccolo Catini v Mert Naci Turker | 6-3,6-2 |