Stadium: MTA 6 Round: 62 Ground: Clay
| ITF M15 Antalya | 2022/04/10 06:00 | Christian Fellin v Mert Naci Turker | 4-6,3-6 |
| ITF M15 Heraklion | 2021/11/22 08:00 | Christian Fellin v Marc Othman Ktiri | 1-6,2-6 |
| ITF M15 Heraklion | 2021/11/15 08:00 | Nikolay Nedelchev v Christian Fellin | 6-1,6-0 |
| ITF M15 Heraklion | 2021/11/14 07:00 | Christian Fellin v Veljko Krstic | 7-6,1-6,10-8 |
| ITF M15 Heraklion | 2021/11/07 07:00 | Christian Fellin v Igor Shrolik | 3-6,0-6 |
| ITF M15 Heraklion | 2021/11/02 07:00 | Ioannis Stamoulos v Christian Fellin | 3-6,6-4,10-8 |
| ITF M15 Heraklion | 2021/11/01 11:00 | Drew Van Orderlain v Christian Fellin | 6-3,2-6,6-10 |
| ITF M15 Selva Gardena | 2021/10/25 08:50 | Alessandro Pecci v Christian Fellin | 6-3,7-5 |
| ITF M15 Antalya | 2022/04/10 06:00 | Daniil Ostapenkov v Fletcher Scott | 6-3,3-6,4-10 |
| ITF M15 Antalya | 2022/04/06 09:25 | Oleg Prihodko v Daniil Ostapenkov | 6-1,6-1 |
| ITF M15 Antalya | 2022/04/05 06:55 | Daniil Ostapenkov v Kaito Uesugi | 3-6,6-4,11-9 |
| ITF M15 Antalya | 2022/04/04 07:00 | Daniil Ostapenkov v Alan Postay | 6-4,6-2 |
| ITF M15 Antalya | 2022/04/03 07:00 | Kazuki Nishiwaki v Daniil Ostapenkov | 1-6,7-5,9-11 |
| ITF M15 Antalya | 2022/03/27 07:00 | Daniil Ostapenkov v Credit Chaiyarin | 4-6,4-6 |
| ITF M15 Antalya | 2022/03/23 08:35 | Daniil Ostapenkov v Gabriele Pennaforti | 1-6,6-4,2-6 |
| ITF M15 Antalya | 2022/03/22 07:00 | Michalis Sakellaridis v Daniil Ostapenkov | 4-6,2-6 |