Stadium: Court 2 Round: 54 Ground: Clay
| ITF M15 Vejle | 2021/07/28 11:00 | Patrick Kypson v Mirko Martinez | 6-1,6-4 |
| ITF M25 Uriage | 2021/07/14 13:40 | Timo Legout v Mirko Martinez | 6-3,6-7,6-4 |
| ITF M25 Belgrade | 2021/07/01 10:45 | Skander Mansouri v Mirko Martinez | 6-2,5-7,6-2 |
| ITF M25 Belgrade | 2021/06/30 14:05 | Lazar Milicevic v Mirko Martinez | 5-7,7-5,2-6 |
| ITF M25 Belgrade | 2021/06/29 07:00 | Daniel Cukierman v Mirko Martinez | 6-1,6-4 |
| ITF M25 Belgrade | 2021/06/28 07:00 | Petar Pjevcevic v Mirko Martinez | 2-6,2-6 |
| ITF M25 Belgrade | 2021/06/27 07:00 | Maxim Krapivin v Mirko Martinez | 0-6,5-7 |
| ITF M25 Klosters | 2021/06/24 10:15 | Francesco Forti v Mirko Martinez | 6-3,6-4 |
| ITF M25 Klosters | 2020/09/14 08:25 | Yannik Steinegger v Jasin Jakupi | 6-2,6-1 |