Stadium: Court 2 Round: 25
| ITF M15 - Melilla | 2021/09/24 12:55 | Rimpei Kawakami v Lorenzo Joaquin Rodriguez | 7-6,4-6,2-6 |
| ITF M15 - Ulcinj | 2021/09/16 10:05 | Rimpei Kawakami v Mariano Navone | 2-6,6-7 |
| ITF M15 - Ulcinj | 2021/09/14 07:55 | Drazen Petrovic v Rimpei Kawakami | 1-6,3-6 |
| ITF M15 - Monastir | 2021/08/09 08:30 | Rimpei Kawakami v Coleman Wong | 3-6,7-6,7-10 |
| ITF M15 - Monastir | 2021/08/05 09:45 | Thomas Fancutt v Rimpei Kawakami | 6-2,6-2 |
| ITF M15 - Monastir | 2021/08/04 17:30 | Matthew Dellavedova v Rimpei Kawakami | 6-0,3-6,3-6 |
| ITF M15 - Monastir | 2021/07/29 08:00 | Rimpei Kawakami v Eliakim Coulibaly | 1-6,3-6 |
| ITF M15 - Monastir | 2021/07/27 14:00 | Marco Brugnerotto v Rimpei Kawakami | 7-6,3-6,2-6 |
| ITF M15 - Platja D'Aro | 2021/10/05 08:30 | Matvey Minin v Eero Vasa | 3-6,7-6,10-8 |
| ITF M15 - Platja D'Aro | 2021/10/04 11:00 | Matvey Minin v Clement Deleersnyder | 7-5,6-2 |
| ITF M25 - Pardubice | 2021/09/22 10:50 | Matvey Minin v Henri Squire | 6-3,3-6,4-6 |
| ITF M25 - Pardubice | 2021/09/21 08:00 | Matvey Minin v Noah Schlagenhauf | 6-1,6-3 |
| ITF M25 - Pardubice | 2021/09/20 09:00 | Matvey Minin v Jimmy Yang | 6-4,6-3 |
| ITF M15 - Bratislava | 2021/08/19 10:15 | Robin Stanek v Matvey Minin | 6-4,6-4 |
| ITF M15 - Bratislava | 2021/08/17 13:40 | Matvey Minin v Patrik Niklas-Salminen | 6-1,7-6 |
| ITF M15 - Xativa | 2021/08/05 08:00 | Imanol L Morillo v Matvey Minin | 6-2,6-3 |