Stadium: Court 3 Round: 14 Ground: Clay
| Challenger Tampere | 2021/07/20 09:00 | Orlando Luz v Dmitry Popko | 6-7,5-7 |
| ITF M25 Wroclaw | 2021/07/04 08:55 | Orlando Luz v Hernan Casanova | 1-6,3-6 |
| ITF M25 Wroclaw | 2021/07/03 09:00 | Orlando Luz v Oscar Jose Gutierrez | 6-2,6-4 |
| ITF M25 Wroclaw | 2021/07/02 10:05 | Orlando Luz v Toby Alex Kodat | 6-2,7-5 |
| ITF M25 Wroclaw | 2021/07/01 08:55 | Orlando Luz v Bogdan Bobrov | 6-2,6-3 |
| ITF M25 Wroclaw | 2021/06/30 09:30 | Orlando Luz v Petr Michnev | 6-2,6-4 |
| Challenger Milan | 2021/06/24 10:00 | Gian Marco Moroni v Orlando Luz | 6-3,6-4 |
| Challenger Milan | 2021/06/22 10:05 | Orlando Luz v Nino Serdarusic | 7-6,4-6,7-5 |
| Challenger Nur-Sultan | 2021/07/20 05:20 | Denis Yevseyev v Jesper De Jong | 6-4,0-6,3-6 |
| Challenger Nur-Sultan | 2021/07/13 05:45 | Mirza Basic v Denis Yevseyev | 6-3,6-3 |
| Challenger Salzburg | 2021/07/06 16:35 | Denis Yevseyev v Pablo Cuevas | 5-7,3-6 |
| Challenger Salzburg | 2021/07/05 11:00 | Denis Yevseyev v Alexey Vatutin | 6-3,1-6,7-5 |
| Challenger Salzburg | 2021/07/04 09:55 | Michael Vrbensky v Denis Yevseyev | 2-6,4-6 |
| Challenger Porto | 2021/06/27 11:10 | Luis Faria v Denis Yevseyev | 6-2,7-6 |
| Challenger Almaty | 2021/06/16 08:05 | Andrej Martin v Denis Yevseyev | 6-4,6-2 |
| Challenger Almaty | 2021/06/15 04:00 | Evgeny Tyurnev v Denis Yevseyev | 7-6,3-6,5-7 |