Stadium: Court 5 Round: 25 Ground: Clay
| ITF - M15 Cairo | 2021/07/22 08:00 | Mathieu Perchicot v Stefano Battaglino | 6-3,6-3 |
| ITF - M25 Casinalbo | 2021/07/06 08:10 | Stefano Battaglino v Gijs Brouwer | 4-6,6-3,1-6 |
| ITF - M15 Antalya | 2021/06/21 11:05 | Stefano Battaglino v Olexiy Kolisnyk | 4-6,1-6 |
| ITF - M15 Antalya | 2021/06/20 07:00 | Stefano Battaglino v Vladislav Gorbatenko | 6-1,6-2 |
| ITF - M15 Antalya | 2021/06/16 14:55 | Pietro Marino v Stefano Battaglino | 2-6,7-5,6-4 |
| ITF - M15 Antalya | 2021/06/15 07:30 | Stefano Battaglino v Miguel Fernando Pereira | 7-6,6-1 |
| ITF - M15 Antalya | 2021/06/14 11:35 | Stefano Battaglino v Santiago De La Fuente | 6-1,6-3 |
| ITF - M15 Skopje | 2021/06/08 07:30 | Stefano Battaglino v Sidane Pontjodikromo | 4-6,1-6 |
| ITF - M15 Cairo | 2021/07/27 08:00 | Keisuke Saitoh v Lautaro Agustin Falabella | 6-2,7-6 |
| ITF - M15 Cairo | 2021/07/26 09:00 | Keisuke Saitoh v Marco De Rosa | 7-6,6-0 |
| ITF - M15 Cairo | 2021/07/25 11:00 | Keisuke Saitoh v Ali Habib | 6-3,3-6,10-5 |
| ITF - M15 Antalya | 2021/05/12 06:45 | Orlando Luz v Keisuke Saitoh | 3-6,6-3,6-1 |
| ITF - M15 Antalya | 2021/05/11 07:00 | Thomas Deschamps v Keisuke Saitoh | 2-6,5-7 |
| ITF - M15 Antalya | 2021/05/10 07:00 | Keisuke Saitoh v Marco Miceli | 5-7,7-5,10-4 |
| 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 |