Stadium: Court 3 Round: 62 Ground: Clay
| ITF - M15 Antalya | 2021/05/09 07:00 | Keisuke Saitoh v Arda Azkara | 6-1,6-2 |
| ITF - M15 Antalya | 2021/05/02 06:00 | Gerald Melzer v Keisuke Saitoh | 6-4,6-2 |
| ITF - M15 Antalya | 2021/04/25 07:00 | Keisuke Saitoh v Daniil Glinka | 0-6,2-6 |
| ITF - M15 Antalya | 2021/04/19 07:00 | Maggioli, Emiliano v Keisuke Saitoh | 6-4,6-3 |
| ITF - M15 Antalya | 2021/04/18 07:00 | Taiyo Yamanaka v Keisuke Saitoh | 4-6,1-6 |
| ITF - M15 Antalya | 2021/04/11 07:00 | Daiki Yoshimura v Keisuke Saitoh | 6-2,6-3 |
| ITF - M15 Sharm El Sheikh | 2021/02/28 17:00 | Alessandro Pecci v Keisuke Saitoh | 6-4,7-6 |
| ITF - M15 Sharm El Sheikh | 2021/02/21 07:00 | Samuel Vincent Ruggeri v Keisuke Saitoh | 6-0,6-1 |
| ITF - M15 Antalya | 2021/05/09 07:00 | Veremeychuk, Danylo v Marco Miceli | 4-6,3-6 |
| ITF - M15 Antalya | 2021/05/03 07:00 | Louroi Martinez v Marco Miceli | 3-6,6-2,10-4 |
| ITF - M15 Antalya | 2021/05/02 06:00 | Borroni, Andrea v Marco Miceli | 1-6,2-6 |
| Sibenik, Singles M-ITF-CRO-05A | 2021/04/22 10:15 | Marco Miceli v Erler, Alexander | 1-6,4-6 |
| Sibenik, Singles M-ITF-CRO-05A | 2021/04/21 08:00 | Heger, Tim v Marco Miceli | 3-6,4-6 |
| ITF - M15 Sharm El Sheikh | 2021/03/24 13:25 | Marcello Serafini v Marco Miceli | 6-1,6-3 |
| ITF - M15 Sharm El Sheikh | 2021/03/23 07:30 | Marco Miceli v Eguez, Sebastian | 7-5,6-2 |
| ITF - M15 Sharm El Sheikh | 2021/03/22 07:30 | Marco Miceli v Christian Sigsgaard | 7-6,3-6,10-5 |