Stadium: Court 7 Round: 25 Ground: Hardcourt outdoor
| US Open XD | 2021/09/10 20:00 | Pegula/Krajicek v Krawczyk/Salisbury | 6-7,4-6 |
| US Open XD | 2021/09/07 18:10 | Pegula/Krajicek v Guarachi/Skupski | 6-1,6-3 |
| US Open XD | 2021/09/05 18:25 | Shibahara/Mclachlan v Pegula/Krajicek | 6-7,3-6 |
| US Open XD | 2021/09/03 21:40 | Hradecka/Kubot v Pegula/Krajicek | 7-6,0-6,9-11 |