Estadio: Court 06 Round: 62 Ground: Clay
| ITF M15 Novi Sad | 2021/08/01 07:00 | Koray Kirci v Matic Dimic | 7-6,6-4 |
| ITF M15 Novi Sad | 2021/07/27 09:40 | Matic Dimic v Lazar Milicevic | 7-6,2-6,8-10 |
| ITF M15 Novi Sad | 2021/07/26 09:00 | Matic Dimic v Stevan Popovic | 2-6,6-3,10-7 |
| ITF M15 Novi Sad | 2021/07/25 08:15 | Matic Dimic v Andrej Krajcik | 6-4,5-7,10-8 |
| ITF M25 Velenje | 2021/07/04 07:30 | Matic Dimic v Nicolas Parizzia | 3-6,4-6 |
| ITF M15 Heraklion | 2021/05/30 09:00 | Matic Dimic v Christian Sigsgaard | 3-6,2-6 |
| ITF M15 Heraklion | 2021/05/23 08:00 | Matic Dimic v Christos Keisidis | 2-6,4-6 |
| ITF M15 Sibenik | 2021/05/16 10:00 | Duje Kekez v Matic Dimic | 6-2,6-0 |
| ITF M15 Warmbad-Villach | 2021/08/16 07:00 | Maximilian Figl v Mario G Fernandez | 5-7,1-6 |
| ITF M15 Castelo Branco | 2021/07/25 11:00 | David Marrero v Mario G Fernandez | 4-6,7-5,10-8 |
| ITF M25 Idanha-a-Nova | 2021/07/20 09:50 | Mario G Fernandez v Ben Jones | 2-6,2-6 |
| ITF M25 Idanha-a-Nova | 2021/07/19 13:00 | Diego F Flores v Mario G Fernandez | 6-2,3-6,5-10 |
| ITF M25 Idanha-a-Nova | 2021/07/18 13:00 | Mario G Fernandez v Guilherme Sousa Severin | 6-3,6-4 |
| ITF M25 Idanha-a-Nova | 2021/07/11 10:30 | Miguel Damas v Mario G Fernandez | 4-6,7-6,10-7 |
| ITF M15 Marbella | 2021/05/23 14:00 | Xavi Matas Ortega v Mario G Fernandez | 6-3,6-4 |
| ITF M15 Valldoreix | 2021/05/12 11:00 | Juan Bautista Otegui v Mario G Fernandez | 6-4,6-3 |