Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Kouvola | 2021/05/30 08:00 | Anton Matusevich v Naoki Tajima | 6-1,4-6,6-0 |
| ITF M15 Kouvola | 2021/05/29 07:00 | Naoki Tajima v Lorenzo Rottoli | 7-5,6-4 |
| ITF M15 Kouvola | 2021/05/28 07:15 | Luca Castelnuovo v Naoki Tajima | 3-6,2-6 |
| ITF M15 Kouvola | 2021/05/27 08:30 | Aleksi Lofman v Naoki Tajima | 6-3,6-7,4-6 |
| ITF M15 Kouvola | 2021/05/26 08:55 | Leevi Saatela v Naoki Tajima | 4-6,2-6 |
| ITF M15 Sibenik | 2021/05/20 10:45 | Naoki Tajima v Dan Added | 1-6,4-6 |
| ITF M15 Sibenik | 2021/05/19 15:05 | Bozo Barun v Naoki Tajima | 6-7,1-6 |
| ITF M15 Prijedor | 2021/05/11 14:35 | Naoki Tajima v Miljan Zekic | 6-7,4-6 |
| FPT Portugal Series | 2020/07/16 16:00 | Frederico Ferreira Silva v Martim L Prata | 7-5,6-4 |
| FPT Portugal Series | 2020/07/15 14:00 | Martim L Prata v Miguel Gomes | 6-3,6-3 |
| FPT Portugal Series | 2020/07/09 13:00 | Pedro Sousa v Martim L Prata | 2-5 |
| FPT Portugal Series | 2020/07/08 15:30 | Martim L Prata v Luis Faria | 6-3,4-6,2-6 |
| FPT Portugal Series | 2020/07/07 19:30 | Daniel Batista v Martim L Prata | 1-6,3-6 |
| FPT Portugal Series | 2020/07/07 11:00 | Martim L Prata v Tomas Pinho | 6-3,6-0 |
| FPT Portugal Series | 2020/07/06 17:00 | Manuel Almeida v Martim L Prata | 3-6,2-6 |
| FPT Portugal Series | 2020/06/30 21:08 | Hugo Maia v Martim L Prata | 6-4,6-7,6-3 |