Stadium: TK PALILULA C3 Round: 62 Ground: Clay
| ITF M25 Belgrade | 2021/06/28 07:00 | Daniel Cukierman v Melnic, Vladislav | 6-3,6-1 |
| ITF M25 Belgrade | 2021/06/27 11:00 | Daniel Cukierman v Bucan, Aleksa | 6-2,6-1 |
| ITF M25 Klosters | 2021/06/22 09:10 | Daniel Cukierman v Matheus P De Almeida | 1-6,6-7 |
| ITF M25 Klosters | 2021/06/21 06:50 | Daniel Cukierman v Tanner, Gian Luca | 6-3,6-4 |
| ITF M25 Klosters | 2021/06/20 08:50 | Daniel Cukierman v Hoeijmans, Luc | 6-2,6-4 |
| Coupe Davis | 2021/03/05 13:00 | Illya Marchenko v Daniel Cukierman | 1-6,6-3,6-2 |
| ITF - M15 Héraklion | 2020/11/09 08:00 | Nicholas David Ionel v Daniel Cukierman | 6-2,6-1 |
| ITF - M15 Héraklion | 2020/11/08 10:30 | Daniel Cukierman v Gianmarco Ferrari | 6-3,6-4 |
| ITF M25 Belgrade | 2021/06/28 07:00 | Pjevcevic, Petar v Martinez, Mirko | 2-6,2-6 |
| ITF M25 Belgrade | 2021/06/27 07:00 | Maxim Krapivin v Martinez, Mirko | 0-6,5-7 |
| ITF M25 Klosters | 2021/06/24 10:15 | Forti, Francesco v Martinez, Mirko | 6-3,6-4 |
| ITF M25 Klosters | 2021/06/22 06:55 | Martinez, Mirko v Mika Brunold | 6-2,7-5 |
| ITF M15 Genova | 2021/06/15 08:55 | Martinez, Mirko v Leopold Zima | 5-7,4-6 |
| ITF M15 Genova | 2021/06/14 07:00 | Wishaya Trongcharoenchaikul v Martinez, Mirko | 4-6,3-6 |
| Sarajevo, Singles Main, M-ITF-BIH-05A | 2021/06/02 11:25 | Gergely Madarasz v Martinez, Mirko | 6-2,7-6 |
| ITF - M15 Bucarest | 2021/05/26 07:00 | Martinez, Mirko v Galarza, Juan Ignacio | 1-6,7-5,4-6 |