Stadium: MTA 23 Round: 62 Ground: Clay
| ITF - M15 - Antalya | 2021/06/20 07:00 | Ivan Kazakov v Ray Ho | 2-6,1-6 |
| ITF - M15 Tbilisi | 2021/05/18 05:30 | Aleksandr Braynin v Ivan Kazakov | 6-2,6-2 |
| ITF - M15 Tbilisi | 2021/05/17 05:30 | Ivan Kazakov v Roman Nashatyrkin | 6-1,6-1 |
| ITF - M15 Tbilisi | 2021/05/16 06:00 | Egor Baklanov v Ivan Kazakov | 6-7,6-3,1-10 |
| ITF - M15 - Antalya | 2021/04/18 07:00 | Leopold Zima v Ivan Kazakov | 6-0,6-3 |
| ITF - M25 La Nucia | 2021/03/14 08:00 | Ivan Kazakov v Diego A B Sanchez | 0-6,1-6 |
| ITF - M15 - Antalya | 2021/06/20 07:00 | Ignacio Carou v Stefanos Sakellaridis | 6-4,6-3 |
| ITF - M15 - Antalya | 2021/06/13 07:30 | Nicolas Agustin Lema v Stefanos Sakellaridis | 6-2,4-6,10-6 |
| ITF - M15 - Antalya | 2021/06/09 08:40 | Francisco Comesana v Stefanos Sakellaridis | 6-3,6-1 |
| ITF - M15 - Antalya | 2021/06/08 11:55 | Stefanos Sakellaridis v Thiago Cigarran | 7-5,7-6 |
| ITF - M15 - Antalya | 2021/06/07 08:25 | Stefanos Sakellaridis v Kirill Mishkin | 6-2,6-2 |
| ITF - M15 - Antalya | 2021/06/06 07:30 | Cezar Cretu v Stefanos Sakellaridis | 2-6,6-7 |
| ITF - M15 - Antalya | 2021/05/31 08:30 | Franco Roncadelli v Stefanos Sakellaridis | 6-2,6-3 |
| ITF - M15 - Antalya | 2021/05/30 07:30 | Credit Chaiyarin v Stefanos Sakellaridis | 5-7,4-6 |