Stadium: Court 4 Round: 62 Ground: Clay
| ITF - M15 Antalya | 2021/11/08 10:50 | Kashirin, Nikita v Patrick Fitzgerald | 6-3,4-6,10-3 |
| ITF - M15 Antalya | 2021/11/07 06:30 | Pavel Verbin v Kashirin, Nikita | 2-6,6-4,8-10 |
| ITF M15 Cairo | 2021/08/04 10:50 | Kashirin, Nikita v Asrawy, Amr | 2-6,3-6 |
| ITF M15 Cairo | 2021/07/28 08:00 | Kashirin, Nikita v Ignacio Monzon | 4-6,1-6 |
| ITF M15 Cairo | 2021/07/21 11:15 | Sean Hess v Kashirin, Nikita | 6-4,6-4 |
| ITF - M15 Shymkent | 2021/04/14 10:05 | Kashirin, Nikita v Kutybaev, Sanetulla | 3-6,6-7 |
| ITF - M15 Shymkent | 2021/04/07 09:40 | Damien Wenger v Kashirin, Nikita | 6-2,6-0 |
| ITF M15 Cairo | 2021/01/10 08:00 | Kashirin, Nikita v Santiago De La Fuente | 6-4,4-6,7-10 |
| ITF - M15 Antalya | 2021/11/08 09:40 | Ivan La Cava v Ezequiel Simonit | 6-4,0-6,10-6 |
| ITF - M15 Antalya | 2021/05/17 07:00 | Ivan La Cava v Daniel Antonio Nunez | 4-6,0-6 |
| ITF - M15 Antalya | 2021/05/16 07:00 | Cetin, Guney Ege v Ivan La Cava | 2-6,3-6 |