Stadium: Court 5 Round: 62 Ground: Hardcourt outdoor
| ITF - Monastir M15 | 2021/05/03 12:00 | Takashi Saito v Francesco Cano | 6-0,6-3 |
| ITF - Sharm El Sheikh M15 | 2021/03/01 07:30 | Takashi Saito v Manuel Mazza | 4-6,3-6 |
| ITF - Sharm El Sheikh M15 | 2021/02/24 07:30 | Takashi Saito v Yu Hsiou Hsu | 1-6,1-6 |
| ITF - Sharm El Sheikh M15 | 2021/02/23 09:20 | Takashi Saito v Andres Gabriel Ciurletti | 7-5,6-1 |
| ITF - Sharm El Sheikh M15 | 2021/02/21 15:30 | Takashi Saito v Emiliano Troche | 6-1,6-1 |
| ITF - Sharm El Sheikh M15 | 2021/02/16 07:30 | Erik Crepaldi v Takashi Saito | 6-4,4-6,10-4 |
| ITF - Sharm El Sheikh M15 | 2021/02/15 07:30 | Arvid Nordquist v Takashi Saito | 4-6,7-6,8-10 |
| ITF - Sharm El Sheikh M15 | 2021/02/14 06:30 | Yaron Guberman v Takashi Saito | 1-6,1-6 |
| ITF - Monastir M15 | 2021/05/03 12:00 | Hugo Pierre v Marcello Serafini | 6-3,4-6,10-12 |
| ITF - Monastir M15 | 2021/05/02 08:00 | Cristian Campese v Marcello Serafini | 1-6,3-6 |
| ITF - Monastir M15 | 2021/04/26 13:30 | Yuta Kawahashi v Marcello Serafini | 6-3,6-1 |
| ITF - Monastir M15 | 2021/04/26 09:00 | Cristian Campese v Marcello Serafini | 3-6,1-6 |
| ITF - Monastir M15 | 2021/04/25 10:30 | Andrea Del Federico v Marcello Serafini | 5-7,2-6 |
| ITF - Sharm El Sheikh M15 | 2021/03/28 16:00 | Jack Gibbens v Marcello Serafini | 6-3,6-4 |
| ITF - Sharm El Sheikh M15 | 2021/03/27 07:30 | Yu Hsiou Hsu v Marcello Serafini | 6-2,6-3 |
| ITF - Sharm El Sheikh M15 | 2021/03/26 07:30 | Oscar Jose Gutierrez v Marcello Serafini | 4-6,4-6 |