Stadion: Court 3 Round: 44 Ground: Clay
| ITF - M15 - Prijedor | 2021/05/09 07:00 | Rimpei Kawakami v Besir Durguti | 6-3,6-2 |
| ITF - M15 - Kairo | 2021/05/05 08:00 | Rimpei Kawakami v Matheus P De Almeida | 1-6,3-6 |
| ITF - M15 - Kairo | 2021/05/04 07:55 | Rimpei Kawakami v Leonardo Catani | 7-5,6-0 |
| ITF - M15 - Kairo | 2021/05/03 08:00 | Rimpei Kawakami v Essa Qabazard | 6-0,6-0 |
| ITF - M15 - Kairo | 2021/04/28 12:00 | Rimpei Kawakami v Mariano Navone | 5-7,5-7 |
| ITF - M15 - Kairo | 2021/04/27 08:00 | Rimpei Kawakami v Syed Mohd Agil Syed Naguib | 6-1,6-3 |
| ITF - M15 - Kairo | 2021/04/26 08:00 | Rimpei Kawakami v Fares Zakaria | 6-3,6-2 |
| ITF - M15 - Kairo | 2021/04/25 07:30 | Rimpei Kawakami v Michele Vianello | 6-2,6-4 |
| ITF - M15 - Prijedor | 2021/05/09 07:00 | Jan Kupcic v Petar Jovic | 6-2,6-0 |
| ITF - M15 - Sibenik | 2021/04/19 10:55 | Alen Rogic-Hadzalic v Jan Kupcic | 7-5,6-3 |
| ITF - M15 - Sibenik | 2021/04/18 13:00 | Jan Kupcic v Ivan Karlo Ban | 6-1,6-2 |
| ITF - M15 - Porec | 2021/03/09 10:35 | Samuel Brosset v Jan Kupcic | 6-2,6-2 |
| ITF - M15 - Porec | 2021/03/08 13:00 | Jan Kupcic v Maxime Mora | 6-1,7-5 |
| ITF - M15 - Porec | 2021/03/07 13:00 | Jan Kupcic v Alessandro Ragazzi | 6-4,6-0 |
| ITF - M15 - Burgas | 2019/10/09 09:30 | Fabrizio Ornago v Jan Kupcic | 3-6,6-2,6-2 |
| ITF - M15 - Burgas | 2019/10/08 08:00 | Fabrizio Ornago v Jan Kupcic | 3-6,6-2,6-2 |