Stadium: Court 4 Round: 26 Ground: Hardcourt indoor
| ITF M15 St Petersburg | 2021/02/11 11:10 | Evgeny Tyurnev v Petr Bar Biryukov | 6-2,7-5 |
| ITF M15 St Petersburg | 2021/04/13 08:55 | Evgeny Tyurnev v Alexander Igoshin | 6-2,6-4 |
| ITF M15 St Petersburg | 2021/04/08 09:00 | Evgeny Tyurnev v Alexander Cozbinov | 6-2,3-6,2-6 |
| ITF M15 St Petersburg | 2021/04/06 13:10 | Evgeny Tyurnev v Vladimir Ivanov | 6-1,6-4 |
| ITF M25 Biel | 2021/03/31 10:00 | Evgeny Tyurnev v Jerome Kym | 6-4,6-7,4-6 |
| Challenger Lugano | 2021/03/21 14:10 | Evgeny Tyurnev v Antoine Bellier | 6-7,4-6 |
| Challenger St. Petersburg | 2021/03/14 12:00 | Evgeny Tyurnev v Kacper Zuk | 6-4,6-2 |
| Challenger St. Petersburg | 2021/03/13 09:30 | Evgeny Tyurnev v Marius Copil | 7-6,6-2 |
| Challenger St. Petersburg | 2021/03/12 09:35 | Mirza Basic v Evgeny Tyurnev | 4-6,2-6 |
| ITF M15 St Petersburg | 2021/04/13 09:00 | Petr Bar Biryukov v Kirill Saplin | 6-4,6-1 |
| ITF M15 St Petersburg | 2021/04/06 09:00 | Ivan Nedelko v Petr Bar Biryukov | 6-3,6-1 |
| ITF M15 St Petersburg | 2021/02/11 11:10 | Evgeny Tyurnev v Petr Bar Biryukov | 6-2,7-5 |
| ITF M15 St Petersburg | 2021/02/09 07:00 | Petr Bar Biryukov v Aleksei Abazov | 6-3,6-0 |
| ITF M15 St Petersburg | 2021/02/03 09:10 | Bogdan Bobrov v Petr Bar Biryukov | 6-3,6-3 |
| ITF M15 St Petersburg | 2021/02/01 08:00 | Petr Bar Biryukov v Alexandr Binda | 6-4,3-6,10-3 |
| ITF M15 St Petersburg | 2021/01/31 10:00 | Lorenzo Bocchi v Petr Bar Biryukov | 4-6,4-6 |
| ITF M15 Cairo | 2021/01/12 08:30 | Petr Bar Biryukov v Mathieu Perchicot | 1-6,1-6 |