Stadium: Court 3 Round: 44 Ground: Hardcourt indoor
| ITF M25 Eupen | 2021/09/08 07:30 | Mariano Kestelboim v Niklas Schell | 6-3,6-3 |
| ITF M15 Allershausen | 2021/09/02 08:55 | Mats Rosenkranz v Niklas Schell | 6-3,7-6 |
| ITF M15 Allershausen | 2021/09/01 12:05 | Milan Welte v Niklas Schell | 6-3,2-6,3-6 |
| ITF M25 Ueberlingen | 2021/08/19 10:00 | Niklas Schell v Eduard Esteve Lobato | 6-7,1-6 |
| ITF M25 Ueberlingen | 2021/08/18 09:30 | Niklas Schell v Florian Broska | 3-6,6-3,6-3 |
| ITF M25 Frankfurt am Main | 2021/08/10 10:30 | Taiyo Yamanaka v Niklas Schell | 6-1,6-2 |
| ITF M25 Frankfurt am Main | 2021/08/09 11:55 | Max Wiskandt v Niklas Schell | 6-3,3-6,5-10 |
| ITF M25 Marburg | 2021/07/07 13:00 | Louis Wessels v Niklas Schell | 6-3,6-4 |
| ITF M25 Bagneres-De-Bigorre | 2021/08/30 08:00 | Lisandru Rodriguez v Max Cunat | 6-1,3-6,10-6 |
| ITF M25 Bagneres-De-Bigorre | 2021/08/29 11:10 | Max Cunat v Ying Hou | 6-3,6-2 |
| ITF M25 Koksijde | 2021/08/16 11:15 | Christopher Heyman v Max Cunat | 6-2,6-2 |
| ITF M25 Koksijde | 2021/08/15 13:30 | Richard Zusman v Max Cunat | 6-7,2-6 |
| ITF M25 Ajaccio | 2021/07/04 07:00 | Alexandre Reco v Max Cunat | 6-3,6-4 |
| ITF M25 Montauban | 2021/06/21 09:55 | Maxime Mora v Max Cunat | 6-0,6-4 |
| ITF M25 Grasse | 2021/06/13 10:55 | Max Cunat v Maxime Contet | 4-6,6-2,7-10 |
| ITF M15 Monastir | 2020/01/12 13:30 | Michal Mikula v Max Cunat | 7-6,6-1 |