Stadion: Court 1 Round: 54 Ground: Clay
| ITF - M25 - Sierre | 2021/08/29 12:10 | Jan Sebesta v Filippo Carpi | 6-1,6-3 |
| ITF - M25 - Caslano | 2021/08/24 14:45 | Jan Sebesta v Mateus Alves | 1-6,2-6 |
| ITF - M25 - Muttenz | 2021/08/16 11:55 | Nicolas Kobelt v Jan Sebesta | 6-4,6-2 |
| ITF - M15 - Monastir | 2021/08/03 07:30 | Jan Sebesta v Mateo Nicolas Martinez | 2-6,1-6 |
| ITF - M15 - Monastir | 2021/08/02 07:30 | Blake Ellis v Jan Sebesta | 3-6,6-4,3-10 |
| ITF - M25 - Klosters | 2021/06/20 07:00 | Jan Sebesta v Lukas Palovic | 2-6,1-6 |
| ITF - M25 - Biel | 2021/03/29 14:30 | Mick Veldheer v Jan Sebesta | 6-3,6-1 |
| ITF - M25 - Trimbach | 2021/03/10 12:30 | Jan Sebesta v Antoine Bellier | 2-6,1-6 |
| ITF - M25 - Sierre | 2021/08/29 13:45 | Pietro Pellanda v Pietro Schiavetti | 2-6,1-6 |
| ITF - M25 - Caslano | 2021/08/24 09:25 | Yan Sabanin v Pietro Schiavetti | 1-6,7-6,10-3 |
| ITF - M25 - Caslano | 2021/08/23 14:00 | Lorenzo Favero v Pietro Schiavetti | 7-6,3-6,6-10 |
| ITF - M25 - Muttenz | 2021/08/17 09:45 | Raffael Schaer v Pietro Schiavetti | 3-6,6-4,10-8 |
| ITF - M25 - Muttenz | 2021/08/16 12:55 | Manuel Mesmer v Pietro Schiavetti | 3-6,1-6 |
| ITF - M25 - Grodzisk Mazowiecki | 2021/08/01 09:30 | Pietro Schiavetti v Juliusz Bienkiewicz | 2-6,6-2,5-10 |
| ITF - M15 - Vejle | 2021/07/25 11:00 | Pietro Schiavetti v Leonardo Catani | 2-6,0-6 |
| ITF - M25 - Kottingbrunn | 2021/07/20 09:15 | Toby Martin v Pietro Schiavetti | 6-3,6-7,10-7 |