Stadium: Court 8 Round: 62 Ground: Clay
| ITF M15 Platja D'Aro | 2021/10/10 11:00 | Grigoriy Korobeynikov v Giuseppe Tresca | 2-6,3-6 |
| ITF M15 Platja D'Aro | 2021/10/03 09:30 | Grigoriy Korobeynikov v Edas Butvilas | 3-6,2-6 |
| ITF M15 Xativa | 2021/08/02 10:00 | Xavi Matas Ortega v Grigoriy Korobeynikov | 6-0,6-0 |
| ITF M15 Xativa | 2021/08/01 13:00 | Lawrence Bataljin v Grigoriy Korobeynikov | 7-5,2-6,8-10 |
| ITF M15 Shymkent | 2021/06/01 05:00 | Yaraslav Shyla v Grigoriy Korobeynikov | 6-0,7-5 |
| ITF M15 Shymkent | 2021/05/31 05:00 | Rail Ibragimov v Grigoriy Korobeynikov | 4-6,4-6 |
| ITF M15 Shymkent | 2021/05/25 06:00 | Olimjon Nabiev v Grigoriy Korobeynikov | 6-1,6-4 |
| ITF M15 Shymkent | 2021/05/24 04:00 | Arystanbek Kaparov v Grigoriy Korobeynikov | 1-6,1-6 |
| ITF M15 Platja D'Aro | 2021/10/12 08:30 | Franco Emanuel Egea v Kuzey Cekirge | 6-2,6-0 |
| ITF M15 Platja D'Aro | 2021/10/10 11:00 | Pol Fernandez v Kuzey Cekirge | 2-6,2-6 |
| UTR Pro Tennis Series Barcelona | 2021/10/03 07:30 | Kuzey Cekirge v Noah Lopez | 4-6,6-1,5-0 |
| UTR Pro Tennis Series Barcelona | 2021/10/02 11:30 | Alexis Klegou v Kuzey Cekirge | 6-7,4-5 |
| UTR Pro Tennis Series Barcelona | 2021/10/01 12:30 | Ivan Marrero Curbelo v Kuzey Cekirge | 1-6,6-7 |
| UTR Pro Tennis Series Barcelona | 2021/09/30 08:00 | Adria Soriano Barrera v Kuzey Cekirge | 6-3,6-3 |
| UTR Pro Tennis Series Barcelona | 2021/09/28 08:00 | Jordi Garcia Mestre v Kuzey Cekirge | 3-6,5-6 |
| UTR Pro Tennis Series Barcelona | 2021/09/27 09:30 | Kuzey Cekirge v Bruno P Navarro | 6-4,6-4 |