Stadium: Court 3 Round: 27 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/09/29 08:00 | Skander Mansouri v Kento Takeuchi | 6-7,6-2,6-4 |
| ITF M15 Monastir | 2021/09/23 08:00 | Kento Takeuchi v Christoph Negritu | 4-6,1-6 |
| ITF M15 Monastir | 2021/09/21 09:00 | Kento Takeuchi v Pierre Delage | 6-0,6-2 |
| ITF M15 Monastir | 2021/09/15 08:00 | Kento Takeuchi v Gabriel Decamps | 4-6,1-6 |
| UTR Pro Tennis Series Dallas | 2021/08/09 15:30 | Kento Takeuchi v James Trotter | 7-5,6-7,0-0 |
| UTR Pro Tennis Series Dallas | 2021/08/08 13:00 | Kento Takeuchi v Kenner Taylor | 6-3,1-6,6-2 |
| UTR Pro Tennis Series Dallas | 2021/08/07 13:00 | Kento Takeuchi v Abhishek Bastola | 6-2,7-5 |
| UTR Pro Tennis Series Dallas | 2021/08/06 17:30 | Eric Hadigian v Kento Takeuchi | 3-6,2-5 |
| ITF M15 Monastir | 2021/09/30 08:00 | Daisuke Sumizawa v Kousuke Ogura | 2-6,6-3,2-6 |
| ITF M15 Monastir | 2021/09/29 10:40 | Wojciech Marek v Daisuke Sumizawa | 3-6,4-6 |
| ITF M15 Monastir | 2021/09/28 08:00 | Daisuke Sumizawa v Taketo Takamisawa | 6-1,6-1 |
| ITF M15 Monastir | 2021/09/27 08:00 | Daisuke Sumizawa v Josh Reid | 3-6,6-1,10-7 |
| ITF M15 Monastir | 2021/09/21 08:00 | Daisuke Sumizawa v Natthasith Kunsuwan | 6-2,3-6,7-10 |
| ITF M15 Ulcinj | 2021/09/15 13:15 | Daisuke Sumizawa v Juan Pablo Paz | 4-6,2-6 |
| 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 |