Stadium: Court 2 Round: 25 Ground: Hardcourt indoor
| ITF M25 Prague | 2021/10/07 10:15 | Jakub Paul v Marek Gengel | 2-6,4-6 |
| ITF M25 Prague | 2021/10/05 12:45 | Jakub Paul v Ondrej Krstev | 7-5,6-4 |
| ITF M25 Falun | 2021/09/28 12:40 | Jakub Paul v Shintaro Imai | 3-6,0-6 |
| Challenger Biel | 2021/09/21 10:00 | Jakub Paul v Alexander Ritschard | 4-6,4-6 |
| Challenger Biel | 2021/09/20 09:00 | Tobias Simon v Jakub Paul | 4-6,4-6 |
| Challenger Biel | 2021/09/19 09:30 | Jakub Paul v Christopher Heyman | 7-6,4-6,7-5 |
| ITF M25 Sierre | 2021/09/02 09:30 | Patrick Kypson v Jakub Paul | 4-6,6-1,6-1 |
| ITF M25 Sierre | 2021/09/01 11:10 | Jakub Paul v Pietro Rondoni | 7-6,6-3 |
| ITF M25 Hamburg | 2021/10/17 13:55 | Filip Bergevi v George Houghton | 6-4,7-6 |
| ITF M25 Hamburg | 2021/10/17 07:55 | Filip Bergevi v Mikhail Minakov | 6-3,7-5 |
| ITF M25 Falun | 2021/09/28 11:00 | Yuta Shimizu v Filip Bergevi | 6-3,7-5 |
| ITF M25 Jonkoping | 2021/09/23 09:30 | Shintaro Imai v Filip Bergevi | 6-4,7-6 |
| ITF M25 Jonkoping | 2021/09/22 09:30 | Daniel Little v Filip Bergevi | 6-7,6-2,5-7 |
| ITF M25 Jonkoping | 2021/09/20 10:45 | Filip Bergevi v Johannes Haerteis | 6-4,7-6 |
| ITF M25 Plaisir | 2021/09/15 10:15 | Thomas Laurent v Filip Bergevi | 6-1,6-4 |
| ITF M25 Ricany | 2021/09/01 11:40 | Filip Bergevi v Facundo Diaz Acosta | 3-6,4-6 |