Stadium: CC Round: 62 Ground: Clay
| ITF M25 Vratislav | 2021/06/27 12:30 | Juliusz Bienkiewicz v Taiyo Yamanaka | 3-6,1-6 |
| ITF M15 Skopje | 2021/06/08 09:00 | Max Houkes v Taiyo Yamanaka | 6-4,6-3 |
| ITF M15 Skopje | 2021/06/07 11:30 | Fons Van Sambeek v Taiyo Yamanaka | 6-2,2-6,6-10 |
| ITF M15 Skopje | 2021/06/06 13:30 | Dmitrii Vasilev v Taiyo Yamanaka | 3-6,6-7 |
| ITF M15 Skopje | 2021/06/01 09:30 | Stefano Battaglino v Taiyo Yamanaka | 3-6,6-1,10-7 |
| ITF M15 Skopje | 2021/05/31 11:00 | Besir Durguti v Taiyo Yamanaka | 2-6,2-6 |
| ITF M15 Skopje | 2021/05/30 08:00 | Dax Donders v Taiyo Yamanaka | 4-6,4-6 |
| ITF M15 Bukurešť | 2021/05/25 07:00 | Jaimee Floyd Angele v Taiyo Yamanaka | 6-1,6-4 |
| ITF M25 Vratislav | 2021/06/27 12:30 | Leon Hoeveler v Petr Michnev | 2-6,1-6 |
| ITF M15 Skopje | 2021/06/08 07:30 | Petr Michnev v Leonid Sheyngezikht | 6-2,2-6,10-6 |
| ITF M15 Skopje | 2021/06/07 10:00 | Petr Michnev v Mario Aleksic | 6-2,6-2 |
| ITF M15 Skopje | 2021/06/03 08:00 | Miljan Zekic v Petr Michnev | 6-2,7-5 |
| ITF M15 Skopje | 2021/06/02 08:00 | Ronan Joncour v Petr Michnev | 2-6,4-6 |
| ITF M15 Skopje | 2021/06/01 09:30 | Petr Michnev v Boris Butulija | 6-3,6-2 |
| ITF M15 Skopje | 2021/05/31 12:30 | Petr Michnev v Samuele Pieri | 6-2,6-3 |
| ITF M15 Skopje | 2021/05/30 12:30 | Petr Michnev v Relja Eskic | 6-2,6-0 |