Stadium: Court 1 Round: 44 Ground: Clay
| 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 M15 Kalmar | 2023/05/19 08:15 | Lewie Lane v Niels Visker | 6-7,2-6 |
| ITF M25 The Hague | 2023/07/02 08:00 | Roland Stuurman v Lars Goran Verwerft | 6-2,6-4 |
| ITF M15 Sharm El Sheikh | 2023/03/28 08:30 | Tuncay Duran v Lars Goran Verwerft | 6-2,6-3 |
| ITF M15 Sharm El Sheikh | 2023/03/27 10:30 | Niklas Grunewald v Lars Goran Verwerft | 2-6,3-6 |
| ITF M15 Sharm El Sheikh | 2023/03/26 13:00 | Lars Goran Verwerft v Daniil Savelev | 6-3,6-1 |
| ITF M15 Sharm El Sheikh | 2023/02/05 08:00 | Peter Nad v Lars Goran Verwerft | 6-2,7-5 |
| ITF M15 Sharm El Sheikh | 2023/01/31 09:00 | Lars Goran Verwerft v Maks Lukman | 7-6,4-6,5-10 |
| ITF M15 Sharm El Sheikh | 2023/01/30 08:00 | Matt Hulme v Lars Goran Verwerft | 4-6,6-7 |
| ITF M15 Sharm El Sheikh | 2023/01/29 11:30 | Ioan A Teglas v Lars Goran Verwerft | 3-6,4-6 |