Stadium: Court 6 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Sharm El Sheikh | 2022/03/16 07:30 | Ryan Nijboer v Federico Agustin Gomez | 1-6,3-6 |
| ITF M15 Monastir | 2022/02/17 10:35 | Ryan Nijboer v Sebastian Gima | 5-7,5-7 |
| ITF M15 Monastir | 2022/02/16 11:40 | Ryan Nijboer v Valentin De Carvalho | 6-0,6-0 |
| ITF M15 Monastir | 2022/02/09 12:40 | Ryan Nijboer v Diego A B Sanchez | 7-5,0-6,3-6 |
| ITF M15 Villena | 2022/02/01 09:30 | Pavel Nejedly v Ryan Nijboer | 6-3,6-4 |
| UTR Pro Tennis Series - Amsterdam | 2021/12/08 10:00 | Yan Sabanin v Ryan Nijboer | 3-1 |
| UTR Pro Tennis Series - Amsterdam | 2021/12/07 08:30 | Deney Wassermann v Ryan Nijboer | 6-0,5-1 |
| ITF M25 Afula | 2021/11/09 11:20 | Roi Ginat v Ryan Nijboer | 7-5,4-6,7-6 |
| ITF M15 Sharm El Sheikh | 2022/03/22 07:55 | Aleksandre Bakshi v Petr Bar Biryukov | 3-6,6-3,4-10 |
| ITF M15 Sharm El Sheikh | 2022/03/21 10:00 | Lior Goldenberg v Petr Bar Biryukov | 5-7,2-6 |
| ITF M15 Sharm El Sheikh | 2022/03/20 13:30 | George Davies v Petr Bar Biryukov | 6-2,3-6,7-10 |
| ITF M25 Nur-Sultan | 2022/03/01 04:00 | Aleksei Khomich v Petr Bar Biryukov | 4-6,4-6 |
| ITF M25 Nur-Sultan | 2022/02/28 05:05 | Svyatoslav Gulin v Petr Bar Biryukov | 5-7,6-7 |
| ITF M15 - Antalya | 2021/12/01 06:00 | Petr Bar Biryukov v Farzin Danny Amiri | 2-6,4-6 |
| ITF M15 - Antalya | 2021/11/24 06:30 | Leonardo Malgaroli v Petr Bar Biryukov | 2-6,6-4,6-4 |
| ITF M15 - Antalya | 2021/11/23 06:30 | Petr Bar Biryukov v Besir Durguti | 6-3,1-6,7-10 |