Stadium: Court 1 Round: 27 Ground: Hardcourt outdoor
| ITF M25 Loule | 2021/10/14 10:55 | Roberto Ortega-Olmedo v Yusuke Takahashi | 7-6,4-6,4-6 |
| ITF M25 Loule | 2021/10/13 14:05 | Yusuke Takahashi v Alberto Barroso Campos | 2-6,6-1,6-4 |
| ITF M25 Setubal | 2021/10/08 12:15 | Yusuke Takahashi v Laurent Lokoli | 2-6,6-2,0-6 |
| ITF M25 Setubal | 2021/10/07 13:55 | Yusuke Takahashi v Alberto Barroso Campos | 6-4,6-3 |
| 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 Loule | 2021/10/14 09:30 | Stuart Parker v Lucas Gerch | 1-6,2-6 |
| ITF M25 Loule | 2021/10/12 13:00 | Lucas Gerch v Corentin Denolly | 4-6,6-3,6-2 |
| Challenger Lisbon | 2021/09/27 11:30 | Lucas Gerch v Daniel Michalski | 6-7,3-6 |
| Challenger Lisbon | 2021/09/26 10:45 | Christopher Heyman v Lucas Gerch | 4-6,7-6,5-7 |
| ITF M25 Pardubice | 2021/09/22 08:00 | Tim Handel v Lucas Gerch | 7-6,7-5 |
| ITF M25 Madrid | 2021/09/15 09:20 | Lucas Gerch v Alberto Barroso Campos | 4-6,6-7 |
| Challenger Seville | 2021/09/07 11:00 | Lucas Gerch v Carlos Taberner | 1-6,4-6 |
| Challenger Seville | 2021/09/06 09:00 | Mats Rosenkranz v Lucas Gerch | 3-6,7-5,4-6 |