Stadium: Court 4 Round: 25 Ground: Clay
| ITF M15 Telde | 2023/04/12 08:00 | Ryan Nijboer v Georgii Kravchenko | 2-6,4-6 |
| ITF M25 Reus | 2023/04/06 11:00 | Ryan Nijboer v Alex M Pujolras | 4-6,5-7 |
| ITF M25 Reus | 2023/04/05 07:55 | Ryan Nijboer v Pedro Araujo | 5-7,6-2,6-1 |
| Challenger Las Franquesas del Valles | 2023/03/20 11:15 | Billy Harris v Ryan Nijboer | 6-3,3-6,6-2 |
| Challenger Las Franquesas del Valles | 2023/03/19 15:40 | Ryan Nijboer v Maxime Chazal | 6-4,7-5 |
| ITF M15 Sharm El Sheikh | 2023/03/16 10:10 | Ryan Nijboer v Lukas Pokorny | 4-6,1-6 |
| ITF M15 Sharm El Sheikh | 2023/03/15 11:55 | Samuel Vincent Ruggeri v Ryan Nijboer | 6-7,4-6 |
| ITF M15 Sharm El Sheikh | 2023/03/08 08:00 | Jakob Schnaitter v Ryan Nijboer | 6-1,7-6 |
| ITF M25 Trnava | 2023/03/28 13:00 | Aleksandr Braynin v Lukas Pokorny | 6-7,6-7 |
| Challenger Las Franquesas del Valles | 2023/03/21 14:15 | Aleksandr Braynin v Daniel Cox | 6-7,5-7 |
| Challenger Las Franquesas del Valles | 2023/03/20 10:10 | Robin Bertrand v Aleksandr Braynin | 6-3,4-6,3-6 |
| Challenger Las Franquesas del Valles | 2023/03/19 14:45 | Aleksandr Braynin v Alberto Barroso Campos | 6-3,6-4 |
| ITF M25 Trimbach | 2023/03/14 09:00 | Aleksandr Braynin v Patric Prinoth | 6-2,3-6,10-12 |
| ITF M25 Trimbach | 2023/03/13 09:00 | Aleksandr Braynin v Flynn Thomas | 6-1,6-1 |
| ITF M15 Aktobe | 2023/03/10 09:35 | David Perez Sanz v Aleksandr Braynin | 6-4,7-6 |
| ITF M15 Aktobe | 2023/03/09 09:55 | Aleksandr Braynin v Yusuke Takahashi | 7-5,1-6,6-3 |