Stadium: Stadium 2 Round: 28 Ground: Hardcourt outdoor
| 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 |
| Challenger Cary MD | 2021/07/23 22:45 | Harrison/Novikov v Lacko/Ramanathan | 7-5,6-3 |
| Challenger Cary MD | 2021/07/22 21:30 | Harrison/Novikov v Blanch/Riffice | 6-3,7-5 |
| Challenger Orlando MD | 2021/04/17 19:10 | Harrison/Novikov v Krueger/Sock | 6-4,5-7,11-13 |
| Challenger Orlando MD | 2021/04/16 18:55 | Harrison/Novikov v Aragone/Martinez | 6-2,6-3 |
| Challenger Orlando MD | 2021/04/14 14:00 | Reyes-Varela/Romboli v Harrison/Novikov | 2-6,7-5,6-10 |
| Challenger Lexington MD | 2021/07/29 22:55 | Dostanic/Nanda v Rybakov/Stalder | 3-6,6-4,9-11 |
| Challenger Lexington MD | 2021/07/27 23:30 | Rybakov/Stalder v Balaji/Margaroli | 7-6,6-4 |
| ITF USA F21 MD | 2017/06/28 19:55 | Krajicek/Withrow v Rybakov/Stalder | 6-4,6-2 |
| ITF USA F21 MD | 2017/06/27 19:15 | Rybakov/Stalder v Gozun/Stillman | 6-7,7-5,10-7 |