Stadion: Stadium Round: 29 Ground: Hardcourt outdoor
| Challenger - Cary - Herrendoppel | 2021/09/17 18:00 | Blumberg/Schnur v Harrison/Novikov | 3-6,6-1,10-5 |
| Challenger - Cary - Herrendoppel | 2021/09/16 20:00 | Blumberg/Schnur v Fancutt/Kubler | 7-5,6-1 |
| Challenger - Cary - Herrendoppel | 2021/09/15 23:50 | Glasspool/Monroe v Blumberg/Schnur | 2-6,5-7 |
| Challenger - Cary - Herrendoppel | 2021/09/17 22:35 | Kozlov/Polansky v Jung/Krueger | 6-7,7-5,10-4 |
| Challenger - Cary - Herrendoppel | 2021/09/16 18:30 | Aragone/Barrientos v Kozlov/Polansky | 4-6,4-6 |
| Challenger - Cary - Herrendoppel | 2021/09/15 20:00 | Kozlov/Polansky v Galloway/Lawson | 6-1,6-2 |
| Challenger - Sarasota - Herrendoppel | 2017/04/23 17:00 | Lipsky/Melzer v Kozlov/Polansky | 6-2,6-4 |
| Challenger - Sarasota - Herrendoppel | 2017/04/22 19:00 | Gonzalez/Venus v Kozlov/Polansky | 3-6,6-1,3-10 |
| Challenger - Sarasota - Herrendoppel | 2017/04/19 21:00 | Kozlov/Polansky v Paes/Sa | 6-3,3-6,10-7 |
| Challenger - Sarasota - Herrendoppel | 2017/04/19 20:48 | Kozlov/Polansky v Paes/Sa | 6-3,3-6,0-0 |
| Challenger - Sarasota - Herrendoppel | 2017/04/17 20:05 | Kozlov/Polansky v Bangoura/McDonald | 1-6,6-2,11-9 |