Stadium: Court 10 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Porto | 2023/07/24 10:00 | Adan Freire Da Silva v Guilherme Valdoleiros | 6-3,2-6,10-5 |
| ITF M25 Porto | 2023/07/23 15:00 | Guilherme Valdoleiros v Valentin De Carvalho | 6-2,6-2 |
| ITF M25 Castelo Branco | 2023/07/16 13:00 | Guilherme Valdoleiros v Guillaume Dalmasso | 4-6,2-6 |
| ITF M25 Mataro | 2023/05/22 09:30 | Guilherme Valdoleiros v Tomas C Abasolo | 5-7,1-6 |
| ITF M25 Mataro | 2023/05/21 09:00 | Guilherme Valdoleiros v Thomas Nicholas Gadecki | 6-7,7-5,10-8 |
| ITF M25 Valldoreix | 2023/05/08 08:00 | Vilius Gaubas v Guilherme Valdoleiros | 6-1,6-1 |
| ITF M25 Valldoreix | 2023/05/07 12:30 | Guilherme Valdoleiros v Dimitris Sakellaridis | 6-4,6-4 |
| ITF M25 Sabadell | 2023/04/30 07:00 | Guilherme Valdoleiros v Gerard Campana Lee | 2-6,2-6 |
| UK Pro League | 2023/06/01 14:30 | Johannus Monday v Marcus Walters | 6-4,6-3 |
| UK Pro League | 2023/05/31 11:30 | Marcus Walters v Patrick Brady | 6-7,2-6 |
| UK Pro League | 2023/05/29 12:00 | Marcus Walters v Billy Harris | 7-5,4-6,10-8 |
| UK Pro League | 2023/05/28 12:00 | Marcus Walters v Roy Keegan | 7-5,7-5 |
| UTR Pro London | 2023/05/20 10:33 | Marcus Walters v Janos Fekete | 3-6,1-6 |
| UTR Pro London | 2023/05/19 12:45 | Miguel Fernando Pereira v Marcus Walters | 6-7,3-6 |
| UTR Pro London | 2023/05/18 07:00 | Richard Bloomfield v Marcus Walters | 3-6,7-6,2-6 |
| UTR Pro London | 2023/05/17 10:00 | Oscar Weightman v Marcus Walters | 6-3,6-4 |