Stadium: Court 7 - Center Round: 25 Ground: Clay
| ITF - M15 Ulcinj | 2021/09/13 13:00 | Daisuke Sumizawa v Deney Wassermann | 6-4,7-6 |
| ITF - M15 Ulcinj | 2021/09/13 08:00 | Daisuke Sumizawa v Nicolo Inserra | 6-4,6-0 |
| ITF - M15 Ulcinj | 2021/09/09 12:15 | Daisuke Sumizawa v Bastian Malla | 6-4,1-6,0-6 |
| ITF - M15 Ulcinj | 2021/09/06 13:00 | Daisuke Sumizawa v Alessandro Procopio | 6-2,6-2 |
| ITF - M15 Ulcinj | 2021/09/06 07:30 | Daisuke Sumizawa v Eric Morris | 7-6,6-1 |
| ITF - M15 Cairo | 2021/08/04 12:45 | Daisuke Sumizawa v Ignacio Monzon | 3-6,1-6 |
| ITF - M15 Cairo | 2021/07/28 09:40 | Luca Tomasetto v Daisuke Sumizawa | 4-6,6-1,6-1 |
| ITF - M15 Cairo | 2021/07/27 08:00 | Daisuke Sumizawa v Mauro De Maio | 6-3,6-2 |
| ITF - M15 Ulcinj | 2021/09/10 09:00 | Juan Pablo Paz v Mariano Navone | 4-6,3-6 |
| ITF - M15 Ulcinj | 2021/09/09 09:55 | Juan Pablo Paz v Ivan Liutarevich | 6-2,6-7,6-1 |
| ITF - M15 Ulcinj | 2021/09/07 08:00 | Juan Pablo Paz v Petar Jovanovic | 7-6,1-6,6-2 |
| ITF - M15 Ulcinj | 2021/09/05 08:00 | Gergely Madarasz v Juan Pablo Paz | 4-6,6-1,6-3 |
| ITF - M15 Ulcinj | 2021/09/04 09:00 | Ignacio Carou v Juan Pablo Paz | 1-6,4-6 |
| ITF - M15 Ulcinj | 2021/09/03 09:00 | Antonio Cayetano March v Juan Pablo Paz | 1-6,6-4,3-6 |
| ITF - M15 Ulcinj | 2021/09/02 08:30 | Aleksandar Tomas v Juan Pablo Paz | 3-6,1-6 |
| ITF - M15 Ulcinj | 2021/08/31 08:00 | Felipe Derdoy v Juan Pablo Paz | 2-6,0-6 |