Stadium: Court 6 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/08/25 07:30 | Hamzeh Al-Aswad v Kai Lemstra | 2-6,1-6 |
| ITF M15 Monastir | 2021/08/24 07:30 | Seita Watanabe v Kai Lemstra | 1-6,1-6 |
| ITF M15 Monastir | 2021/08/23 09:00 | Alec Beckley v Kai Lemstra | 3-6,2-6 |
| ITF M15 Monastir | 2021/08/22 12:00 | Lucca Pinto v Kai Lemstra | 3-6,0-6 |
| ITF M15 Monastir | 2021/08/18 09:00 | Kai Lemstra v Duarte Vale | 4-6,3-6 |
| ITF M15 Monastir | 2021/08/17 07:30 | Federico Salomone v Kai Lemstra | 4-6,6-4,8-10 |
| ITF M15 Monastir | 2021/08/16 07:30 | Kai Lemstra v Blake Ellis | 6-4,6-3 |
| ITF M25 Wetzlar | 2021/08/02 14:00 | Osman Torski v Kai Lemstra | 6-4,0-6,10-5 |
| ITF M15 Monastir | 2021/08/25 07:30 | Hady Habib v Renta Tokuda | 4-6,4-6 |
| ITF M25 Prague | 2021/05/11 09:15 | Renta Tokuda v Peter Goldsteiner | 3-6,4-6 |
| ITF M25 Prague | 2021/05/10 10:30 | Renta Tokuda v Yann Wojcik | 4-6,6-4,10-5 |
| ITF M15 Monastir | 2021/03/26 10:15 | Mohamed Aziz Dougaz v Renta Tokuda | 7-6,6-1 |
| ITF M15 Monastir | 2021/03/25 10:10 | Hazem Naw v Renta Tokuda | 4-6,6-1,6-7 |
| ITF M15 Monastir | 2021/03/24 08:30 | Aristotelis Thanos v Renta Tokuda | 4-6,5-7 |
| ITF M15 Monastir | 2021/03/18 08:25 | Igor Marcondes v Renta Tokuda | 6-4,3-6,6-1 |
| ITF M15 Monastir | 2021/03/16 08:30 | Tomas Lipovsek Puches v Renta Tokuda | 4-6,0-6 |