Stadium: Court 2 Round: 26 Ground: Clay
| ITF - M15 Doboj | 2023/05/10 08:00 | Kirill Mishkin v Stefan Kostic | 6-2,1-6,6-1 |
| ITF - M15 Doboj | 2023/05/08 10:30 | Kirill Mishkin v Matt Hulme | 6-3,7-6 |
| ITF - M15 Monastir | 2023/04/16 08:00 | Kirill Mishkin v Pablo Trochu | 1-6,1-6 |
| ITF - M15 Monastir | 2023/04/09 10:00 | Kirill Mishkin v Max Wiskandt | 1-6,2-6 |
| ITF - M15 Monastir | 2023/02/05 11:00 | Kirill Mishkin v Simon Freund | 2-6,3-6 |
| ITF - M15 Monastir | 2023/01/16 08:30 | Pierre Delage v Kirill Mishkin | 6-2,6-0 |
| ITF - M15 Monastir | 2023/01/15 10:30 | Kirill Mishkin v Sushant Dabas | 6-2,3-6,10-6 |
| ITF - M15 Monastir | 2023/01/08 16:15 | Nicolas Philibert v Kirill Mishkin | 6-3,6-4 |
| ITF - M15 Doboj | 2023/05/10 08:00 | Gabriele Maria Noce v Ryan Nijboer | 4-6,1-6 |
| Challenger - Roma | 2023/04/24 10:05 | Ryan Nijboer v Alexander Weis | 4-6,6-3,2-6 |
| Challenger - Roma | 2023/04/23 13:15 | Stefano Travaglia v Ryan Nijboer | 6-7,6-2,5-7 |
| ITF - M15 Telde | 2023/04/20 09:00 | Ryan Nijboer v Alejandro Manzanera Pertusa | 4-6,6-4,3-6 |
| ITF - M15 Telde | 2023/04/18 12:20 | Ryan Nijboer v Aleksandr Braynin | 6-2,5-7,6-4 |
| 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 |