Stadium: Indoor Ct5 Ground: Hardcourt outdoor
| Challenger - Little Rock - HD | 2021/06/05 20:00 | Mukund/Pervolarakis v Barrientos/Escobedo | 5-7,3-6 |
| Challenger - Little Rock - HD | 2021/06/06 04:20 | Eubanks/Quiroz v Novikov/Oliveira | 6-3,6-3 |
| Challenger - Little Rock - HD | 2021/06/04 16:00 | Harrison/Polansky v Eubanks/Quiroz | 3-6,4-6 |
| Challenger - Little Rock - HD | 2021/06/03 21:50 | Eubanks/Quiroz v Nedunchezhiyan/Raja | 7-6,6-2 |
| Challenger St. Petersburg - HD | 2021/03/06 13:45 | De Jong/Verbeek v Eubanks/Quiroz | 4-6,3-6 |
| Challenger St. Petersburg - HD | 2021/03/05 08:00 | Hassan/Vatutin v Eubanks/Quiroz | 4-6,2-6 |
| Challenger St. Petersburg - HD | 2021/03/04 11:10 | Bourchier/Vervoort v Eubanks/Quiroz | 7-6,2-6,8-10 |
| Challenger St. Petersburg - HD | 2021/03/02 14:35 | Abazov/Vasilenko v Eubanks/Quiroz | 6-4,1-6,5-10 |