Stadium: Cancha 7 Leguas Round: 26 Ground: Hardcourt outdoor
| Challenger Columbus MD | 2021/09/22 20:55 | Chung/Hong v Harrison/Novikov | 5-7,7-5,15-13 |
| Challenger Cary MD | 2021/09/17 18:00 | Blumberg/Schnur v Harrison/Novikov | 3-6,6-1,10-5 |
| Challenger Cary MD | 2021/09/16 20:00 | Harrison/Novikov v Kirchheimer/Mochizuki | 4-6,6-3,10-4 |
| Challenger Cary MD | 2021/09/14 18:45 | Harrison/Novikov v Catry/Salvestre | 6-3,6-4 |
| Challenger Lexington MD | 2021/07/31 00:50 | Harrison/Novikov v Rybakov/Stalder | 6-7,6-7 |
| Challenger Lexington MD | 2021/07/29 22:30 | Cid Subervi/Wu v Harrison/Novikov | 5-7,3-6 |
| Challenger Lexington MD | 2021/07/28 22:00 | Prashanth/Ramanathan v Harrison/Novikov | 6-4,3-6,5-10 |
| Challenger Cary MD | 2021/07/24 18:00 | Harrison/Novikov v Chrysochos/Pervolarakis | 6-3,6-3 |