| ITF M15 Vejle | 2023/07/24 07:00 | Gustav Theilgaard v Ivan Sergeyev | 4-6,4-6 |
| ITF M25 Risskov/Aarhus | 2023/06/11 08:00 | Gustav Theilgaard v Nikolaj Katic | 3-6,2-6 |
| UTR Pro Copenhagen | 2023/06/02 13:17 | Gustav Theilgaard v Philip Hjorth | 6-7,4-6 |
| UTR Pro Copenhagen | 2023/05/31 07:30 | Gustav Theilgaard v Oliver Valentinsson | 6-4,6-4 |
| UTR Pro Copenhagen | 2023/05/30 06:00 | Gustav Theilgaard v Adam Kresina | 6-0,7-5 |
| UTR Pro Copenhagen | 2023/05/29 09:35 | Gustav Theilgaard v Adamantios Stavrakas | 6-3,3-6,6-1 |
| UTR Pro Copenhagen | 2023/05/28 08:52 | Gustav Theilgaard v Oskar Brostrom Poulsen | 6-4,6-1 |
| UTR Pro Tennis Series Copenhagen | 2021/06/20 11:00 | Jesper Klov Nilsson v Gustav Theilgaard | 3-6,0-3 |
| ITF M15 Shymkent | 2025/05/03 07:30 | Denis Klok v Eric Vanshelboim | 6-2,4-1 |
| ITF M15 Shymkent | 2025/05/02 08:13 | Martin Van Der Meerschen v Eric Vanshelboim | 5-7,3-6 |
| ITF M15 Shymkent | 2025/05/01 07:00 | Daniel Khazime v Eric Vanshelboim | 5-7,7-6,1-6 |
| ITF M15 Shymkent | 2025/04/30 05:00 | Artur Kukasian v Eric Vanshelboim | 1-6,6-1,3-6 |
| ITF M15 Shymkent | 2025/04/24 07:30 | Sean Cuenin v Eric Vanshelboim | 7-6,2-6,6-2 |
| ITF M15 Shymkent | 2025/04/23 08:00 | Boris Butulija v Eric Vanshelboim | 6-4,1-6,1-6 |
| ITF M15 Antalya | 2025/04/17 09:48 | Eric Vanshelboim v Alex Molcan | 6-0,3-6,4-6 |
| ITF M15 Antalya | 2025/04/15 10:37 | Maksim Shin v Eric Vanshelboim | 3-6,4-6 |