Stadium: Court 2 Round: 26 Ground: Hardcourt outdoor
| ITF M25 Setubal | 2021/10/06 10:00 | Mukund Sasikumar v Yusuke Takahashi | 3-6,3-6 |
| ITF M25 Falun | 2021/09/29 11:00 | Yusuke Takahashi v Khumoyun Sultanov | 2-6,0-6 |
| ITF M25 Falun | 2021/09/27 12:00 | Michal Dembek v Yusuke Takahashi | 6-7,6-2,3-6 |
| Challenger Columbus | 2021/09/19 14:00 | Gijs Brouwer v Yusuke Takahashi | 6-1,7-6 |
| ITF M25 Decatur | 2021/08/05 15:00 | Yusuke Takahashi v Gijs Brouwer | 1-6,0-6 |
| ITF M25 Decatur | 2021/08/04 16:25 | Rinky Hijikata v Yusuke Takahashi | 2-6,6-7 |
| ITF M25 Champaign | 2021/07/29 19:05 | Naoki Nakagawa v Yusuke Takahashi | 6-3,6-4 |
| ITF M25 Champaign | 2021/07/28 21:15 | Yusuke Takahashi v Sekou Bangoura | 7-5,6-3 |
| ITF M25 Setubal | 2021/10/05 14:50 | Alberto Barroso Campos v Mick Veldheer | 6-3,7-5 |
| Challenger Murcia | 2021/09/26 12:10 | Alberto Barroso Campos v Mats Rosenkranz | 2-6,6-7 |
| ITF M15 Melilla | 2021/09/24 14:05 | Kirill Mishkin v Alberto Barroso Campos | 0-6,7-5,6-1 |
| ITF M25 Madrid | 2021/09/16 08:00 | Alberto Barroso Campos v Valentin Lapalu | 6-7,6-3,3-6 |
| ITF M25 Madrid | 2021/09/15 09:20 | Lucas Gerch v Alberto Barroso Campos | 4-6,6-7 |
| ITF M25 Madrid | 2021/09/14 08:30 | Alberto Barroso Campos v Xavier Matas Ortega | 6-1,2-0 |
| Challenger Seville | 2021/09/05 10:30 | Alberto Barroso Campos v Lucas Gerch | 2-6,1-6 |
| ITF M15 Xativa | 2021/08/04 08:00 | Alberto Barroso Campos v Miguel Perez Pena | 7-5,3-6,2-6 |