Stadium: Court 12 Round: 54 Ground: Clay
| ITF - M15 Şımkent | 2021/05/31 06:20 | Antonio Campo v Damir Makhmudov | 6-0,6-2 |
| ITF - M15 Şımkent | 2021/05/25 08:40 | Antonio Campo v Bulat Galiev | 3-6,6-2,4-10 |
| ITF - M15 Şımkent | 2021/05/24 05:20 | Antonio Campo v Bogdan Seleznev | 6-0,6-1 |
| ITF - M15 Şımkent | 2021/04/15 06:15 | Antonio Campo v Sanjar Fayziev | 6-4,6-1 |
| ITF - M15 Şımkent | 2021/04/14 10:40 | Antonio Campo v Mark Tryakshin | 6-3,2-6,6-2 |
| ITF - M15 Şımkent | 2021/04/13 04:55 | Alberto Orso v Antonio Campo | 4-6,3-6 |
| ITF - M15 Şımkent | 2021/04/12 05:35 | Yerassyl Murat v Antonio Campo | 2-6,1-6 |
| ITF - M15 Şımkent | 2021/04/10 05:00 | Antonio Campo v Ivan Gakhov | 6-3,1-6,2-6 |
| ITF - M15 Şımkent | 2021/05/31 06:35 | Alexey Dubinin v Petr Bar Biryukov | 2-6,2-6 |
| ITF - M15 Şımkent | 2021/05/24 04:00 | Louroi Martinez v Petr Bar Biryukov | 6-4,6-1 |
| ITF M15 - Sint-Petersburg | 2021/04/15 09:00 | Evgeny Tyurnev v Petr Bar Biryukov | 6-1,6-1 |
| ITF M15 - Sint-Petersburg | 2021/04/13 09:00 | Petr Bar Biryukov v Kirill Saplin | 6-4,6-1 |
| ITF M15 - Sint-Petersburg | 2021/04/06 09:00 | Ivan Nedelko v Petr Bar Biryukov | 6-3,6-1 |
| ITF M15 - Sint-Petersburg | 2021/02/11 11:10 | Evgeny Tyurnev v Petr Bar Biryukov | 6-2,7-5 |
| ITF M15 - Sint-Petersburg | 2021/02/09 07:00 | Petr Bar Biryukov v Aleksei Abazov | 6-3,6-0 |
| ITF M15 - Sint-Petersburg | 2021/02/03 09:10 | Bogdan Bobrov v Petr Bar Biryukov | 6-3,6-3 |