St. Petersburg Open
Quarts de finale
29.10.2021
Classement mondial
| # | Nom | Points | |
|---|---|---|---|
| 1 |  | Carlos Alcaraz | 12.050 |
| 2 |  | Jannik Sinner | 11.500 |
| 3 |  | Alexander Zverev | 5.160 |
| 4 |  | Novak Đoković | 4.830 |
| 5 |  | Felix Auger-Aliassime | 4.245 |
| 6 |  | Taylor Fritz | 4.135 |
| 7 |  | Alex de Minaur | 4.135 |
| 8 | | Lorenzo Musetti | 4.040 |
| 9 | | Ben Shelton | 3.970 |
| 10 |  | Jack Draper | 2.990 |