Stadium: John Harris Court Round: 28 Ground: Hardcourt outdoor
| ATP Washington MD | 2021/08/05 23:00 | Korda/Sinner v Kyrgios/Tiafoe | 6-4,6-4 |
| ATP Washington MD | 2021/08/03 22:50 | Korda/Sinner v Paire/Withrow | 1-6,6-4,13-11 |
| ATP Washington MD | 2021/08/06 00:25 | Norrie/Saville v Skupski/Venus | 2-6,3-6 |
| ATP Washington MD | 2021/08/05 00:45 | Martin/Purcell v Skupski/Venus | 5-7,3-6 |