Stadion: Court 1 Round: 26 Ground: Clay
| ITF - M15 - Ibague | 2021/09/07 15:40 | Sergio Luis H Ramirez v Pedro Boscardin Dias | 2-6,3-6 |
| ITF - M15 - Novi Sad | 2021/08/06 09:00 | Filip Misolic v Pedro Boscardin Dias | 6-3,6-1 |
| ITF - M15 - Novi Sad | 2021/08/05 12:00 | Pedro Boscardin Dias v Bastian Malla | 2-6,6-3,6-3 |
| ITF - M15 - Novi Sad | 2021/08/03 12:40 | Pedro Boscardin Dias v Duje Kekez | 7-6,6-3 |
| ITF - M15 - Novi Sad | 2021/07/29 09:00 | Pedro Boscardin Dias v Peter Nagy | 6-7,7-5,2-6 |
| ITF - M15 - Novi Sad | 2021/07/27 11:00 | Pedro Boscardin Dias v Stefan Popovic | 6-4,6-3 |
| ITF - M15 - Bergamo | 2021/06/24 08:00 | Riccardo Balzerani v Pedro Boscardin Dias | 7-6,6-4 |
| ITF - M15 - Bergamo | 2021/06/22 18:25 | Pedro Boscardin Dias v Wilson Leite | 6-3,4-6,6-4 |
| ITF - M15 - Ibague | 2021/09/08 17:00 | Johan A Rodriguez Rodriguez v Gustavo Heide | 6-4,6-7,4-6 |
| ITF - M15 - Kairo | 2021/08/04 10:55 | Gustavo Heide v Mathys Erhard | 0-6,1-6 |
| ITF - M15 - Kairo | 2021/07/30 08:00 | Juan Bautista Torres v Gustavo Heide | 7-6,6-1 |
| ITF - M15 - Kairo | 2021/07/29 08:00 | Gustavo Heide v Kai Wehnelt | 3-6,7-5,6-3 |
| ITF - M15 - Kairo | 2021/07/28 12:30 | Gustavo Heide v Jaimee Floyd Angele | 6-4,2-6,6-0 |
| ITF - M15 - Monastir | 2021/06/01 12:35 | Robert Strombachs v Gustavo Heide | 6-0,6-4 |
| ITF - M15 - Monastir | 2021/05/26 14:25 | Gustavo Heide v Eliakim Coulibaly | 4-6,3-6 |
| ITF - M15 - Monastir | 2021/05/21 08:30 | Gustavo Heide v Yunseong Chung | 3-6,3-6 |