Stadium: Court 17 Round: 26 Ground: Clay
| Challenger Cleveland MD | 2020/02/11 19:00 | Popko/Tabilo v Huey/Lammons | 4-6,5-7 |
| Challenger Dallas MD | 2020/02/05 21:45 | Popko/Tabilo v Novikov/Oliveira | 6-4,2-6,7-10 |
| Challenger Banja Luka MD | 2019/09/11 13:30 | Draganja/Margaroli v Popko/Tabilo | 6-4,6-3 |
| Challenger Tallahassee MD | 2021/04/23 20:55 | Bangoura/Young v Pasha/Schnur | 6-3,2-6,14-12 |
| Challenger Tallahassee MD | 2021/04/22 15:00 | Pasha/Schnur v Huey/Verbeek | 6-3,6-7,10-7 |
| Challenger Tallahassee MD | 2021/04/21 16:00 | Popko/Yevseyev v Pasha/Schnur | 3-6,1-6 |
| Challenger Orlando MD | 2021/04/14 14:00 | Pasha/Schnur v De Jong/Verbeek | 4-6,2-6 |
| Challenger Lugano MD | 2021/03/24 14:10 | Pasha/Schnur v Celikbilek/Sachko | 7-6,3-6,6-10 |
| Challenger Biella MD | 2021/03/17 13:05 | Marrero/Menendez-Maceiras v Pasha/Schnur | 7-6,6-7,10-8 |
| Challenger St. Petersburg MD | 2021/03/11 14:10 | Karlovskiy/Serdarusic v Pasha/Schnur | 6-7,6-3,10-4 |
| Challenger St. Petersburg MD | 2021/03/10 14:15 | Igoshin/Nedelko v Pasha/Schnur | 6-7,4-6 |