St. Petersburg Open
Viertelfinals
29.10.2021
Weltrangliste
| # | Name | Punkte | |
|---|---|---|---|
| 1 |  | Carlos Alcaraz | 13.650 |
| 2 |  | Jannik Sinner | 10.300 |
| 3 |  | Novak Đoković | 5.280 |
| 4 |  | Alexander Zverev | 4.605 |
| 5 | | Lorenzo Musetti | 4.405 |
| 6 |  | Alex de Minaur | 4.080 |
| 7 |  | Taylor Fritz | 3.940 |
| 8 |  | Felix Auger-Aliassime | 3.725 |
| 9 | | Ben Shelton | 3.600 |
| 10 |  | Alexander Bublik | 3.235 |