Stadium: Court 3 Round: 28 Ground: Clay
| ITF M15 Madrid | 2022/09/08 09:50 | Vilius Gaubas v Alvaro Lopez San Martin | 4-6,6-7 |
| ITF M25 Sabadell | 2023/09/29 14:30 | Vilius Gaubas v Michiel de Krom | 3-6,6-4,6-2 |
| ITF M25 Sabadell | 2023/09/28 11:05 | Vilius Gaubas v Max Alcala Gurri | 7-5,6-1 |
| ITF M25 Sabadell | 2023/09/26 11:15 | Vilius Gaubas v Florent Bax | 6-2,6-2 |
| Davis Kupa | 2023/09/16 15:00 | Francisco Cerundolo v Vilius Gaubas | 6-1,6-7,6-2 |
| ITF M25 Oviedo | 2023/08/30 12:00 | Kane Bonsach Ganley v Vilius Gaubas | 6-2,7-6 |
| ITF M25 Santander | 2023/08/26 11:20 | Vilius Gaubas v Svyatoslav Gulin | 7-6,4-6,4-6 |
| ITF M25 Santander | 2023/08/25 09:30 | Imanol L Morillo v Vilius Gaubas | 3-6,7-5,2-6 |
| ITF M25 Santander | 2023/08/24 10:00 | Sergi Perez Contri v Vilius Gaubas | 2-6,7-5,1-6 |
| ITF M25 Sabadell | 2023/09/29 09:30 | Ryan Nijboer v Alvaro Lopez San Martin | 4-6,4-6 |
| ITF M25 Sabadell | 2023/09/28 09:00 | Teymuraz Gabashvili v Alvaro Lopez San Martin | 5-7,3-6 |
| ITF M25 Sabadell | 2023/09/27 08:30 | Ian Luca Cervantes Tomas v Alvaro Lopez San Martin | 2-6,2-6 |
| ITF M25 Santander | 2023/08/24 10:00 | Alvaro Lopez San Martin v Imanol L Morillo | 6-7,7-6,4-6 |
| ITF M25 Santander | 2023/08/23 10:00 | Alvaro Lopez San Martin v Alejandro Juan Mano | 7-5,6-4 |
| ITF M25 Santander | 2023/08/22 09:55 | Alvaro Lopez San Martin v Tomas C Abasolo | 6-1,4-6,6-3 |
| Challenger Cordenons | 2023/08/08 13:25 | Alvaro Lopez San Martin v Enrico Dalla Valle | 2-6,4-6 |
| Challenger Braunschweig | 2023/07/09 14:30 | Alvaro Lopez San Martin v Yanaki Milev | 6-3,6-7,4-6 |