Stadium: Indoor Ct5 Ground: Hardcourt outdoor
| Challenger St. Petersburg MD | 2021/03/06 13:45 | De Jong/Verbeek v Eubanks/Quiroz | 4-6,3-6 |
| Challenger St. Petersburg MD | 2021/03/05 08:00 | Hassan/Vatutin v Eubanks/Quiroz | 4-6,2-6 |
| Challenger St. Petersburg MD | 2021/03/04 11:10 | Bourchier/Vervoort v Eubanks/Quiroz | 7-6,2-6,8-10 |
| Challenger St. Petersburg MD | 2021/03/02 14:35 | Abazov/Vasilenko v Eubanks/Quiroz | 6-4,1-6,5-10 |