Stadium: Court 2 Round: 26 Ground: Hardcourt outdoor
| ITF Egypt F28 | 2018/11/22 09:35 | Sidane Pontjodikromo v Ryan Nijboer | 4-6,2-6 |
| ITF M15 Sharm El Sheikh | 2019/11/13 08:00 | Sidane Pontjodikromo v Stijn Pel | 7-5,6-2 |
| ITF M15 Sharm El Sheikh | 2019/11/08 08:00 | Sidane Pontjodikromo v Alessandro Bega | 3-6,2-6 |
| ITF M15 Sharm El Sheikh | 2019/11/07 10:05 | Erik Crepaldi v Sidane Pontjodikromo | 6-4,3-6,4-6 |
| ITF M15 Sharm El Sheikh | 2019/11/06 12:35 | Niklas Guttau v Sidane Pontjodikromo | 3-6,2-6 |
| ITF M15 Doha | 2019/10/24 14:10 | Tobias Simon v Sidane Pontjodikromo | 6-4,6-3 |
| ITF M15 Doha | 2019/10/23 13:20 | Rishab Agarwal v Sidane Pontjodikromo | 5-7,6-2,3-6 |
| ITF M15 Doha | 2019/10/22 12:00 | Sidane Pontjodikromo v Vital Flurin Leuch | 6-2,6-3 |
| ITF M15 Doha | 2019/10/16 12:00 | Adam Moundir v Sidane Pontjodikromo | 6-1,6-2 |
| 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 Haren | 2019/08/30 18:10 | Juan Ignacio Galarza v Ryan Nijboer | 7-5,6-7,7-6 |
| ITF M15 Haren | 2019/08/29 13:10 | Guy Den Heijer v Ryan Nijboer | 3-6,3-6 |