Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Sharm El Sheikh | 2020/02/27 09:00 | Ryan Nijboer v David Poljak | 2-6,4-6 |
| ITF M15 Sharm El Sheikh | 2021/03/20 07:30 | Lucas Miedler v David Poljak | 6-3,4-6,6-1 |
| ITF M15 Sharm El Sheikh | 2021/03/19 07:30 | Arvid Nordquist v David Poljak | 2-6,3-6 |
| ITF M15 Sharm El Sheikh | 2021/03/18 11:25 | David Poljak v Francesco Vilardo | 6-3,6-4 |
| ITF M15 Sharm El Sheikh | 2021/03/17 10:20 | Cristian Campese v David Poljak | 3-6,0-6 |
| ITF M15 Sharm El Sheikh | 2021/02/19 09:15 | Pawel Juszczak v David Poljak | 6-4,6-7,7-6 |
| ITF M15 Sharm El Sheikh | 2021/02/18 07:30 | Felix Corwin v David Poljak | 1-6,6-7 |
| ITF M15 Sharm El Sheikh | 2021/02/17 10:05 | David Poljak v Rio Noguchi | 6-3,4-6,7-6 |
| ITF M15 Sharm El Sheikh | 2021/02/10 14:00 | Lucas Catarina v David Poljak | 7-5,6-3 |
| ITF M15 Sharm El Sheikh | 2021/03/14 09:30 | Ryan Nijboer v Daniel Little | 4-6,4-6 |
| ITF M15 Sharm El Sheikh | 2021/03/10 12:30 | Yu Hsiou Hsu v Ryan Nijboer | 6-2,6-1 |
| ITF M15 Sharm El Sheikh | 2021/03/09 07:30 | Ryan Nijboer v Saba Purtseladze | 7-6,7-6 |
| ITF M15 Sharm El Sheikh | 2021/03/08 07:30 | Ryan Nijboer v Ivan Mikhaylyuk | 6-3,3-6,10-8 |
| ITF M15 Sharm El Sheikh | 2021/03/07 09:30 | Ryan Nijboer v Yaron Guberman | 6-1,6-3 |
| ATP Rotterdam | 2021/02/27 13:20 | Ryan Nijboer v Antoine Hoang | 4-6,0-6 |
| ITF M15 Bressuire | 2021/01/17 15:40 | Youcef Rihane v Ryan Nijboer | 7-6,6-3 |
| ITF M15 Cairo | 2020/12/10 10:20 | Ryan Nijboer v Alejo Lorenzo Lingua Lavallen | 7-5,4-6,1-6 |