Estadio: Court 15 Round: 27 Ground: Hardcourt outdoor
| Challenger de Cary - Dobles Masculinos | 2021/09/14 18:45 | Harrison/Novikov v Catry/Salvestre | 6-3,6-4 |
| Challenger de Lexington - Dobles Masculinos | 2021/07/31 00:50 | Harrison/Novikov v Rybakov/Stalder | 6-7,6-7 |
| Challenger de Lexington - Dobles Masculinos | 2021/07/29 22:30 | Cid Subervi/Wu v Harrison/Novikov | 5-7,3-6 |
| Challenger de Lexington - Dobles Masculinos | 2021/07/28 22:00 | Prashanth/Ramanathan v Harrison/Novikov | 6-4,3-6,5-10 |
| Challenger de Cary - Dobles Masculinos | 2021/07/24 18:00 | Harrison/Novikov v Chrysochos/Pervolarakis | 6-3,6-3 |
| Challenger de Cary - Dobles Masculinos | 2021/07/23 22:45 | Harrison/Novikov v Lacko/Ramanathan | 7-5,6-3 |
| Challenger de Cary - Dobles Masculinos | 2021/07/22 21:30 | Harrison/Novikov v Blanch/Riffice | 6-3,7-5 |
| Challenger Orlando - Dobles masculinos | 2021/04/17 19:10 | Harrison/Novikov v Krueger/Sock | 6-4,5-7,11-13 |
| Challenger de Cary - Dobles Masculinos | 2021/09/15 20:50 | Kirchheimer/Mochizuki v Brouwer/Stalder | 6-4,3-6,10-7 |
| ITF M25 Pensacola - Dobles Masculinos | 2021/05/18 19:10 | Kirchheimer/Mochizuki v Gomez/Ore | 5-7,3-6 |