Stadium: Court 2 Round: 26 Ground: Clay
| ITF M15 Alaminos-Larnaca | 2023/05/03 06:00 | Guy Den Ouden v Samuele Pieri | 6-3,6-4 |
| ITF M15 Alaminos-Larnaca | 2023/04/30 08:00 | Simon A Ivanov v Guy Den Ouden | 7-6,2-6,4-6 |
| ITF M15 Alaminos-Larnaca | 2023/04/29 08:00 | Sebastian Prechtel v Guy Den Ouden | 6-3,4-6,3-6 |
| ITF M15 Alaminos-Larnaca | 2023/04/28 07:00 | Guy Den Ouden v Jonas Trinker | 7-5,6-4 |
| ITF M15 Alaminos-Larnaca | 2023/04/27 07:00 | Guy Den Ouden v Nicolas Parizzia | 7-5,6-0 |
| ITF M15 Alaminos-Larnaca | 2023/04/26 07:00 | Guy Den Ouden v Shinnosuke Hiramatsu | 6-2,6-1 |
| ITF M25 Loule | 2023/03/02 13:30 | Guy Den Ouden v Giovanni Fonio | 4-6,4-6 |
| ITF M25 Loule | 2023/03/01 13:20 | Goncalo Falcao v Guy Den Ouden | 4-6,6-4,1-6 |
| ITF M15 Alaminos-Larnaca | 2023/05/03 12:20 | Lucas Renard v Filip Cristian Jianu | 4-6,1-6 |
| Challenger Roma | 2023/04/25 08:00 | Filip Cristian Jianu v Jelle Sels | 5-7,3-6 |
| Challenger Oeiras | 2023/04/18 09:00 | Filip Cristian Jianu v Alexandre Muller | 4-6,6-7 |
| ITF M25 Santa Margherita | 2023/04/13 10:20 | Giorgio Tabacco v Filip Cristian Jianu | 6-4,6-4 |
| ITF M25 Santa Margherita | 2023/04/12 08:25 | Mateo Nicolas Martinez v Filip Cristian Jianu | 4-6,4-6 |
| ITF M25 Santa Margherita | 2023/04/10 12:30 | Federico Cina v Filip Cristian Jianu | 2-6,2-6 |
| Challenger Barletta | 2023/04/04 11:00 | Steven Diez v Filip Cristian Jianu | 7-6,6-1 |
| Challenger Zadar | 2023/03/20 12:45 | Filip Cristian Jianu v Damir Dzumhur | 1-6,6-7 |