Stadium: Court 2 Round: 25 Ground: Clay
| ITF M15 Ulcinj | 2021/09/06 13:00 | Daisuke Sumizawa v Procopio, Alessandro | 6-2,6-2 |
| ITF M15 Ulcinj | 2021/09/06 07:30 | Daisuke Sumizawa v Morris, Eric | 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 de Maio, Mauro | 6-3,6-2 |
| ITF M15 Cairo | 2021/07/26 08:00 | Daisuke Sumizawa v Matteo De Vincentis | 6-7,6-4,10-3 |
| ITF M15 Cairo | 2021/07/25 07:00 | Daisuke Sumizawa v Sharma, Atharva | 6-1,6-1 |
| ITF M15 Cairo | 2021/07/22 08:00 | Daisuke Sumizawa v Lorenzo Bocchi | 0-6,2-6 |
| ITF M15 Ulcinj | 2021/08/31 11:10 | Ivan Liutarevich v Thirouin, Jean | 2-6,2-6 |
| ITF M25 Lesa | 2021/08/27 19:00 | Thirouin, Jean v Matteo Martineau | 1-6,1-6 |
| ITF M25 Lesa | 2021/08/26 19:10 | Facundo Juarez v Thirouin, Jean | 4-6,6-4,6-7 |
| ITF M25 Lesa | 2021/08/25 09:00 | Thirouin, Jean v Postay, Alan | 6-2,6-1 |
| ITF M15 Pescara | 2021/08/20 10:30 | Thirouin, Jean v Arthur Reymond | 2-6,1-6 |
| ITF M15 Pescara | 2021/08/19 09:00 | Thirouin, Jean v Del Federico, Andrea | 7-5,6-2 |
| ITF M15 Pescara | 2021/08/17 08:00 | Galoppini, Davide v Thirouin, Jean | 5-7,6-1,3-6 |
| ITF M25 Pitesti | 2021/08/03 13:30 | Moez Echargui v Thirouin, Jean | 6-3,6-2 |