Cincinnati Open
Quarts de finale
20.08.2021
21.08.2021
Classement mondial
| # | Nom | Points | |
|---|---|---|---|
| 1 |  | Carlos Alcaraz | 11.540 |
| 2 |  | Jannik Sinner | 10.780 |
| 3 |  | Alexander Zverev | 5.930 |
| 4 |  | Novak Đoković | 4.830 |
| 5 |  | Taylor Fritz | 4.675 |
| 6 | | Ben Shelton | 4.280 |
| 7 |  | Jack Draper | 3.690 |
| 8 |  | Alex de Minaur | 3.545 |
| 9 | | Lorenzo Musetti | 3.505 |
| 10 |  | Karen Khachanov | 3.280 |