Stadium: MTA 06 Round: 62 Ground: Clay
| ITF M15 Antalya | 2023/04/02 07:00 | Guy Den Heijer v Niels Visker | 1-6,6-4,3-10 |
| ITF M25 Portimao | 2023/03/14 11:00 | Guy Den Heijer v Mikel Martinez | 1-6,2-6 |
| ITF M25 Portimao | 2023/03/13 15:35 | Guy Den Heijer v Miguel Miguel Pereira Lopes | 6-1,6-3 |
| ITF M25 Quinta Do Lago | 2023/03/09 17:20 | Jesper De Jong v Guy Den Heijer | 6-3,6-1 |
| ITF M25 Quinta Do Lago | 2023/03/09 13:30 | Sean Hodkin v Guy Den Heijer | 4-6,4-6 |
| ITF M25 Quinta Do Lago | 2023/03/08 16:15 | Luis Miguel Saraiva v Guy Den Heijer | 4-6,3-6 |
| ITF M25 Loule | 2023/02/26 10:00 | Timofey Stepanov v Guy Den Heijer | 6-4,6-2 |
| ITF M25 Faro | 2023/02/21 10:00 | Francois Musitelli v Guy Den Heijer | 6-7,7-6,12-10 |
| ITF M15 Antalya | 2023/04/29 08:00 | Luciano Emanuel Ambrogi v Juan Manuel La Serna | 5-7,6-3,6-1 |
| ITF M15 Antalya | 2023/04/28 10:55 | Kristjan Tamm v Juan Manuel La Serna | 2-6,0-6 |
| ITF M15 Antalya | 2023/04/27 12:25 | Cengiz Aksu v Juan Manuel La Serna | 4-6,3-6 |
| ITF M15 Antalya | 2023/04/26 11:20 | Juan Manuel La Serna v Yshai Oliel | 6-2,6-4 |
| ITF M15 Antalya | 2023/04/25 11:15 | Juan Manuel La Serna v Jurriaan Bol | 6-4,6-2 |
| ITF M15 Antalya | 2023/04/24 13:15 | Juan Manuel La Serna v Aleksander Chayka | 6-3,6-3 |
| ITF M15 Antalya | 2023/04/23 07:00 | Juan Manuel La Serna v Matteo Meneghetti | 6-1,6-4 |
| ITF M15 Antalya | 2023/04/13 08:25 | Juan Manuel La Serna v Yshai Oliel | 3-6,6-3,6-3 |