Stadium: Court 3 Round: 54 Ground: Carpet indoor
| ITF M15 Anif | 2020/08/26 14:40 | Karlis Ozolins v Kai Lemstra | 7-5,6-3 |
| ITF M15 Anif | 2020/08/24 12:50 | Kai Lemstra v Benedikt Emesz | 6-1,6-2 |
| ITF M15 Anif | 2020/08/23 12:00 | Kirill Kivattsev v Kai Lemstra | 6-7,3-6 |
| ITF M15 Sharm El Sheikh | 2020/03/11 11:40 | Francesco Vilardo v Kai Lemstra | 6-4,6-7,7-5 |
| ITF M15 Trnava | 2020/02/27 12:10 | Kai Lemstra v Aldin Setkic | 3-6,3-6 |
| ITF M15 Trnava | 2020/02/26 12:10 | Kai Lemstra v Andrej Glvac | 6-4,6-4 |
| ITF M15 Trnava | 2020/02/25 09:00 | Dominik Recek v Kai Lemstra | 6-7,3-6 |
| ITF M15 Trnava | 2020/02/24 14:00 | Kai Lemstra v Piotr Matuszewski | 6-2,6-0 |
| ITF M15 Forbach | 2020/09/28 11:30 | Julien De Cuyper v Niklas Schell | 4-6,1-6 |
| ITF M15 Kolkata | 2020/03/12 04:00 | Niklas Schell v Nitin Kumar Sinha | 6-3,3-6,0-6 |
| ITF M15 Kolkata | 2020/03/11 04:00 | Dennis Uspensky v Niklas Schell | 3-6,0-6 |
| ITF M15 Sharm El Sheikh | 2020/02/10 10:00 | Arvid Nordquist v Niklas Schell | 6-2,6-3 |
| ITF M15 Sharm El Sheikh | 2020/02/09 12:00 | Anthony Turchi v Niklas Schell | 3-6,5-7 |
| ITF M15 Sharm El Sheikh | 2020/02/05 12:25 | Aleksei Khomich v Niklas Schell | 6-2,4-6,6-2 |
| ITF M15 Antalya | 2020/01/14 07:00 | Niklas Schell v Alberto Cammarata | 1-6,2-6 |
| ITF M15 Antalya | 2019/12/19 07:00 | Niklas Schell v Ivan Nedelko | 6-3,3-6,3-6 |