Stadium: Court 1 Round: 26 Ground: Hardcourt outdoor
| ITF M25 Loule | 2023/03/01 13:20 | Goncalo Falcao v Guy Den Ouden | 4-6,6-4,1-6 |
| ITF M25 Loule | 2023/02/28 10:30 | Guy Den Ouden v Niels Visker | 2-6,7-5,10-2 |
| ITF M25 Loule | 2023/02/27 11:40 | Guy Den Ouden v Ian Luca Cervantes Tomas | 6-3,6-3 |
| ITF M25 Loule | 2023/02/26 10:00 | Guy Den Ouden v Salvador Monteiro | 6-0,6-1 |
| ITF M25 Monastir | 2023/02/21 09:30 | Fausto Tabacco v Guy Den Ouden | 6-2,6-3 |
| ITF M15 Sharm El Sheikh | 2023/02/10 08:00 | Guy Den Ouden v Peter Fajta | 6-2,7-6 |
| ITF M15 Sharm El Sheikh | 2023/02/09 08:00 | Guy Den Ouden v Jiri Barnat | 7-5,6-0 |
| ITF M15 Sharm El Sheikh | 2023/02/08 08:00 | Guy Den Ouden v Matthew William Donald | 6-4,6-4 |
| ITF M25 Loule | 2023/03/01 15:45 | Tiago Pereira v Giovanni Fonio | 4-6,6-7 |
| ITF M25 Faro | 2023/02/23 12:40 | August Holmgren v Giovanni Fonio | 6-2,3-6,7-5 |
| ITF M25 Faro | 2023/02/21 11:55 | Goncalo Oliveira v Giovanni Fonio | 6-7,4-6 |
| Challenger Tenerife | 2023/02/10 13:15 | Ryan Peniston v Giovanni Fonio | 7-5,6-2 |
| Challenger Tenerife | 2023/02/09 11:00 | Giovanni Fonio v Bu Yunchaokete | 7-6,6-4 |
| Challenger Tenerife | 2023/02/07 12:30 | Christian Harrison v Giovanni Fonio | 5-7,4-6 |
| Challenger Tenerife Qual | 2023/02/06 13:05 | Matteo Gigante v Giovanni Fonio | 4-6,4-6 |
| Challenger Tenerife Qual | 2023/02/06 10:00 | Alessio De Bernardis v Giovanni Fonio | 0-6,1-6 |