Stadium: Court 4 Round: 44 Ground: Clay
| ITF M25 Esch/Alzette | 2023/07/10 11:15 | Niels Visker v Lars Goran Verwerft | 3-6,6-1,10-3 |
| ITF M25 The Hague | 2023/07/05 12:00 | Niels Visker v Aleksandr Braynin | 1-6,6-7 |
| ITF M15 Kamen | 2023/07/01 10:00 | Svyatoslav Gulin v Niels Visker | 5-7,6-4,6-1 |
| ITF M15 Kamen | 2023/06/30 15:00 | Arthur Reymond v Niels Visker | 4-6,5-7 |
| ITF M15 Kamen | 2023/06/29 13:00 | Yannik Kelm v Niels Visker | 6-2,4-6,4-6 |
| ITF M15 Kamen | 2023/06/28 13:05 | Niels Visker v Aleksandre Metreveli | 0-6,7-6,6-1 |
| ITF M15 Kamen | 2023/06/26 08:00 | Niels Visker v Luca Matteo Sobbe | 6-2,6-1 |
| ITF M15 Kalmar | 2023/05/20 09:00 | Lucas Catarina v Niels Visker | 6-1,6-4 |
| ITF M25 Esch/Alzette | 2023/07/09 11:30 | Tom Pisane v Kirill Mishkin | 5-7,4-6 |
| ITF M25 Getxo | 2023/07/04 12:00 | Kirill Mishkin v Pedro Rodenas | 5-7,0-6 |
| ITF M25 Getxo | 2023/07/03 09:35 | Tomas C Abasolo v Kirill Mishkin | 6-3,2-6,10-12 |
| ITF M25 Getxo | 2023/07/02 11:30 | Dimitris Sakellaridis v Kirill Mishkin | 2-6,6-4,9-11 |
| ITF M15 Belgrade | 2023/06/25 09:30 | Mihailo Popovic v Kirill Mishkin | 6-4,1-6,10-7 |
| ITF M15 Kursumlijska Banja | 2023/06/19 12:05 | Marko Topo v Kirill Mishkin | 6-3,6-4 |
| ITF M15 Kursumlijska Banja | 2023/06/18 11:00 | Kirill Mishkin v Andre Filep | 6-3,6-1 |
| ITF M15 Kursumlijska Banja | 2023/06/12 13:50 | Gabriel Schenekenberg v Kirill Mishkin | 6-0,6-2 |