Stadium: Court 6 Round: 62 Ground: Clay
| ITF - M15 Lodz | 2021/08/16 09:30 | Taiyo Yamanaka v Dawid Taczala | 6-4,6-3 |
| ITF - M25 Frankfurt nad Mohanom | 2021/08/12 11:10 | Taiyo Yamanaka v Mariano Kestelboim | 2-6,2-6 |
| ITF - M25 Frankfurt nad Mohanom | 2021/08/11 11:15 | Adrian Oetzbach v Taiyo Yamanaka | 5-7,5-7 |
| ITF - M25 Frankfurt nad Mohanom | 2021/08/10 10:30 | Taiyo Yamanaka v Niklas Schell | 6-1,6-2 |
| ITF - M25 Frankfurt nad Mohanom | 2021/08/09 14:10 | Milan Welte v Taiyo Yamanaka | 6-7,4-6 |
| ITF - M15 Novi Sad | 2021/08/02 11:00 | Ivailo Keremedchiev v Taiyo Yamanaka | 6-2,6-7,10-6 |
| ITF - M15 Novi Sad | 2021/08/01 11:15 | Luka Kalenic v Taiyo Yamanaka | 0-6,1-6 |
| ITF - M15 Novi Sad | 2021/07/25 07:00 | Stevan Popovic v Taiyo Yamanaka | 6-3,4-6,10-7 |
| ITF - M15 Novi Sad | 2021/08/01 14:00 | Alex Knaff v Admir Kalender | 7-5,6-4 |
| ITF - M15 Skopje | 2021/06/09 09:15 | Admir Kalender v Nicholas David Ionel | 2-6,6-3,0-6 |
| ITF - M15 Skopje | 2021/06/08 07:30 | Aziz Ouakaa v Admir Kalender | 3-6,3-6 |
| ITF - M15 Skopje | 2021/06/07 08:00 | Admir Kalender v Luka Pavlovic | 6-1,6-4 |
| ITF - M15 Skopje | 2021/06/03 08:00 | Alexandar Lazarov v Admir Kalender | 6-1,6-3 |
| ITF - M15 Skopje | 2021/06/02 08:00 | Admir Kalender v Savriyan Danilov | 6-1,6-4 |
| ITF - M15 Skopje | 2021/06/01 09:30 | Rrezart Cungu v Admir Kalender | 0-6,3-6 |
| ITF - M15 Skopje | 2021/05/30 08:00 | Admir Kalender v Stefan Micov | 6-3,6-4 |