Estadio: Court 4 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Sharm El Sheikh | 2019/11/20 08:00 | Ryan Nijboer v Damien Wenger | 7-5,6-0 |
| ITF M15 Sharm El Sheikh | 2019/11/15 08:00 | Karim-Mohamed Maamoun v Ryan Nijboer | 6-3,6-3 |
| ITF M15 Sharm El Sheikh | 2019/11/13 11:10 | Sagadat Ayap v Ryan Nijboer | 6-2,4-6,2-6 |
| ITF M25 Fort Worth | 2019/10/24 16:00 | Liam Broady v Ryan Nijboer | 6-2,2-6,6-2 |
| ITF M25 Fort Worth | 2019/10/22 17:00 | Ryan Nijboer v Evan Zhu | 6-4,2-6,6-3 |
| ITF M25 Waco | 2019/10/16 14:50 | Tadeas Paroulek v Ryan Nijboer | 4-6,7-6,6-1 |
| ITF M25 Falun | 2019/10/01 12:35 | Filip Bergevi v Ryan Nijboer | 6-7,7-6,6-2 |
| ITF M15 Pajulahti | 2019/09/17 14:25 | Stefan Seifert v Ryan Nijboer | 6-3,6-4 |
| ITF M15 Sharm El Sheikh | 2019/11/20 08:00 | Piotr Galus v Mariano Alberto Hasenkopf | 4-6,6-3,3-6 |
| 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 | 2019/11/12 08:00 | Daniel Kossek v Mariano Alberto Hasenkopf | 1-6,1-6 |
| ITF M15 Sharm El Sheikh | 2019/11/11 09:00 | Mariano Alberto Hasenkopf v Igor Solomatin | 6-2,6-2 |
| ITF M15 Sharm El Sheikh | 2019/11/10 09:00 | Mariano Alberto Hasenkopf v Nicolo Toffanin | 6-1,6-2 |
| ITF 15 Antalya | 2019/10/14 07:00 | Augusto Virgili v Mariano Alberto Hasenkopf | 6-4,6-2 |
| ITF 15 Antalya | 2019/10/09 08:35 | Mariano Alberto Hasenkopf v Gustav Gustav Hansson | 3-6,6-3,3-6 |
| ITF 15 Antalya | 2019/10/08 07:00 | Alexander Ovcharov v Mariano Alberto Hasenkopf | 1-6,0-6 |