Stadium: Court 7 Oberhaching Round: 44 Ground: Hardcourt indoor
| ITF M15 Oberhaching | 2020/02/16 10:30 | Niklas Guttau v Joel Kuster | 6-4,7-6 |
| ITF M15 Heraklion | 2019/11/24 08:00 | Niklas Guttau v Athanassios Manekas | 5-7,2-6 |
| ITF M15 Sharm El Sheikh | 2019/11/20 10:35 | Lucas Hellfritsch v Niklas Guttau | 6-4,6-3 |
| ITF M15 Sharm El Sheikh | 2019/11/14 09:20 | Giorgio Ricca v Niklas Guttau | 6-2,4-6,7-6 |
| ITF M15 Sharm El Sheikh | 2019/11/13 11:40 | Mariano Alberto Hasenkopf v Niklas Guttau | 3-6,5-7 |
| ITF M15 Sharm El Sheikh | 2019/11/06 12:35 | Niklas Guttau v Sidane Pontjodikromo | 3-6,2-6 |
| Challenger Eckental | 2019/10/29 11:40 | Maxime Cressy v Niklas Guttau | 6-3,7-5 |
| Challenger Hamburg | 2019/10/22 09:40 | Jelle Sels v Niklas Guttau | 7-6,6-2 |
| ITF M15 Oberhaching | 2020/02/16 10:00 | Emilien Voisin v Jim Walder | 6-4,6-2 |
| ITF M15 Grenoble | 2020/02/09 14:05 | Jakub Paul v Emilien Voisin | 6-3,7-6 |
| ITF M15 Bressuire | 2020/01/22 09:00 | Alvaro Lopez San Martin v Emilien Voisin | 6-2,6-7,6-1 |
| ITF M15 Bressuire | 2020/01/20 14:20 | Emilien Voisin v Thomas Deschamps | 7-6,6-4 |
| ITF M15 Bressuire | 2020/01/20 10:00 | Alexis Canter v Emilien Voisin | 5-7,2-6 |
| ITF M15 Bressuire | 2020/01/19 10:00 | Emilien Voisin v Maxence Beauge | 6-1,6-4 |
| ITF M15 Manacor | 2020/01/13 10:30 | Billy Harris v Emilien Voisin | 6-1,4-6,10-3 |
| ITF M15 Castellon | 2019/11/03 10:30 | Emilien Voisin v Alex M Pujolras | 3-6,6-4,6-10 |