Estádio: Court 3 Round: 44 Ground: Hardcourt outdoor
| ITF - M15 Setúbal | 2020/10/05 10:30 | Maximilian Neuchrist v Matheus P De Almeida | 4-6,4-6 |
| ITF - M15 Setúbal | 2020/10/04 13:00 | Matheus P De Almeida v Valentin De Carvalho | 6-0,6-0 |
| ITF - M25 Porto | 2020/09/30 14:45 | Gastao Elias v Matheus P De Almeida | 6-2,3-6,6-2 |
| ITF - M25 Porto | 2020/09/29 10:30 | Mateus Alves v Matheus P De Almeida | 2-6,6-7 |
| ITF - M25 Porto | 2020/09/28 09:00 | Matheus P De Almeida v Evan Furness | 6-7,6-3,12-10 |
| ITF - M25 Porto | 2020/09/27 09:30 | Francisco Cabral v Matheus P De Almeida | 6-7,3-6 |
| ITF - M15 Castelo Branco | 2020/09/22 09:00 | Otto Virtanen v Matheus P De Almeida | 6-4,6-3 |
| ITF - M15 Castelo Branco | 2020/09/21 09:00 | Rafael Giotis v Matheus P De Almeida | 3-6,1-6 |
| ITF - M15 Setúbal | 2020/10/05 10:30 | Tom Hands v Naoki Nakagawa | 2-6,1-6 |
| ITF - M15 Setúbal | 2020/10/04 12:00 | Mathys Erhard v Naoki Nakagawa | 6-4,4-6,7-10 |
| ITF - M25 Porto | 2020/09/30 08:55 | Naoki Nakagawa v Alessandro Bega | 3-6,3-6 |
| ITF - M25 Porto | 2020/09/29 10:30 | Naoki Nakagawa v Leopold Zima | 6-2,6-3 |
| ITF - M25 Porto | 2020/09/28 13:30 | Riccardo Balzerani v Naoki Nakagawa | 3-6,6-1,5-10 |
| ITF - M25 Porto | 2020/09/27 16:30 | Naoki Nakagawa v Eero Vasa | 3-6,6-1,10-6 |
| ITF - M25 Nonthaburi | 2020/01/29 05:50 | Naoki Nakagawa v Khumoyun Sultanov | 2-6,4-6 |
| ITF - M25 Nonthaburi | 2020/01/28 04:30 | Adam El Mihdawy v Naoki Nakagawa | 4-6,7-6,8-10 |