Stadium: Court 4 Round: 27 Ground: Clay
| ITF M25 The Hague | 2023/07/06 12:10 | Eric Vanshelboim v Olaf Pieczkowski | 6-0,6-4 |
| ITF M25 The Hague | 2023/07/04 10:00 | Eric Vanshelboim v Brian Bozemoj | 6-3,6-1 |
| ITF M15 Celje | 2023/06/28 14:45 | Eric Vanshelboim v Filip Jeff Planinsek | 6-2,2-6,6-4 |
| Challenger Lyon | 2023/06/12 10:00 | Maxime Janvier v Eric Vanshelboim | 6-2,6-3 |
| Challenger Lyon | 2023/06/11 14:50 | Mirko Martinez v Eric Vanshelboim | 4-6,6-4,6-7 |
| ITF M15 Addis Ababa | 2023/05/27 08:15 | Rishab Agarwal v Eric Vanshelboim | 6-7,6-2,6-0 |
| ITF M15 Addis Ababa | 2023/05/26 08:30 | Karan Singh v Eric Vanshelboim | 2-6,6-4,3-6 |
| ITF M15 Addis Ababa | 2023/05/25 09:25 | Chirag Duhan v Eric Vanshelboim | 1-6,1-6 |
| ITF M25 The Hague | 2023/07/06 09:00 | Fons Van Sambeek v Guy Den Heijer | 4-6,6-1,2-6 |
| ITF M15 Alkmaar | 2023/06/25 10:00 | Guy Den Heijer v Stijn Paardekooper | 4-6,6-4,12-14 |
| ITF M15 Saarlouis | 2023/06/22 11:30 | Lodewijk Weststrate v Guy Den Heijer | 7-6,6-4 |
| ITF M15 Saarlouis | 2023/06/21 13:20 | David Fix v Guy Den Heijer | 6-4,6-7,2-6 |
| ITF M15 Saarlouis | 2023/06/19 09:30 | Max Wiskandt v Guy Den Heijer | 4-6,2-6 |
| ITF M15 Saarlouis | 2023/06/18 09:00 | Gian Luca Tanner v Guy Den Heijer | 6-3,2-6,8-10 |
| UTR Pro Hilversum | 2023/06/06 06:00 | Guy Den Heijer v Victor Sklenka | 7-6,4-6,5-3 |
| UTR Pro Hilversum | 2023/06/05 07:30 | Guy Den Heijer v Ivan Sergeyev | 0-6,2-6 |