Stadium: Court 5 Round: 62 Ground: Clay
| ITF M15 Antalya | 2021/11/23 06:30 | Bogdan Borza v Ivan Kazakov | 6-2,6-4 |
| ITF M15 Antalya | 2021/11/22 11:15 | Ivan Kazakov v Obrad Markovski | 6-4,6-4 |
| ITF M15 Antalya | 2021/11/21 06:30 | Ivan Kazakov v Jamie Krattiger | 6-4,6-4 |
| ITF M15 Antalya | 2021/11/14 06:30 | Ivan Kazakov v Oleksandr Bielinskyi | 7-5,1-6,5-10 |
| ITF M15 Monastir | 2021/11/01 08:00 | Pierre Delage v Ivan Kazakov | 6-4,6-1 |
| ITF M15 Monastir | 2021/10/31 09:00 | Ivan Kazakov v Nicolas Ancedy | 4-6,6-3,10-6 |
| ITF M15 Monastir | 2021/10/25 10:00 | Pierre Antoine Tailleu v Ivan Kazakov | 2-6,6-4,10-5 |
| ITF M15 Monastir | 2021/10/18 09:30 | Denis Constantin Spiridon v Ivan Kazakov | 7-5,6-2 |
| ITF M15 Antalya | 2021/11/22 06:30 | Tomas R Sierra v Jaime Faria | 4-6,6-4,8-10 |
| ITF M15 Antalya | 2021/11/16 11:30 | Ilya Snitari v Tomas R Sierra | 6-2,7-6 |
| ITF M15 Antalya | 2021/11/15 08:15 | Tomas R Sierra v Obrad Markovski | 4-6,6-2,10-6 |
| ITF M15 Antalya | 2021/11/14 06:30 | Tomas R Sierra v David Hough | 7-5,6-2 |
| ITF M15 Platja D'Aro | 2021/10/05 08:30 | Max Houkes v Tomas R Sierra | 6-2,6-0 |
| ITF M15 Platja D'Aro | 2021/10/04 11:00 | Tomas R Sierra v Enzo Wallart | 6-7,6-2,10-1 |
| ITF Argentina F10 | 2015/08/24 13:00 | Tomas R Sierra v Fermin Peralta Martinez | 4-6,1-6 |