Stadium: Centre Court Round: 25 Ground: Clay
| ITF M25 Koksijde | 2021/08/16 11:15 | Christopher Heyman v Max Cunat | 6-2,6-2 |
| ITF M25 Wetzlar | 2021/08/08 10:00 | Peter Heller v Christopher Heyman | 6-4,6-7,6-4 |
| ITF M25 Wetzlar | 2021/08/07 14:10 | Harold Mayot v Christopher Heyman | 3-6,6-7 |
| ITF M25 Wetzlar | 2021/08/06 12:00 | Christopher Heyman v Alexey Vatutin | 6-3,7-5 |
| ITF M25 Wetzlar | 2021/08/05 11:35 | Christopher Heyman v Mats Rosenkranz | 6-4,7-6 |
| ITF M25 Wetzlar | 2021/08/04 08:00 | Christopher Heyman v Gauthier Onclin | 6-3,6-2 |
| Challenger Poznan | 2021/07/26 10:00 | Elmar Ejupovic v Christopher Heyman | 7-6,6-2 |
| Challenger Poznan | 2021/07/25 13:00 | Maks Kasnikowski v Christopher Heyman | 3-6,4-6 |
| ITF M25 Idanha-A-Nova | 2021/07/20 09:40 | Clement Chidekh v Tom Pisane | 6-0,6-1 |
| ITF M25 Idanha-A-Nova | 2021/07/19 10:40 | Ying Hou v Tom Pisane | 2-6,6-7 |
| ITF M25 Idanha-A-Nova | 2021/07/18 13:00 | Vasco L Prata v Tom Pisane | 6-7,0-6 |
| ITF M25 Velenje | 2021/07/05 12:40 | Tom Pisane v Alessandro Bellifemine | 4-6,6-7 |
| ITF M25 Alkmaar | 2021/06/21 14:30 | Simon Freund v Tom Pisane | 6-0,6-1 |
| ITF M25 Alkmaar | 2021/06/20 14:00 | Roland Stuurman v Tom Pisane | 6-3,4-6,8-10 |
| ITF M15 Skopje | 2021/06/06 09:00 | Dian Nedev v Tom Pisane | 6-3,5-7,10-5 |
| ITF M15 Skopje | 2021/05/30 08:00 | Ivan Manasov v Tom Pisane | 5-7,7-5,10-4 |