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| Oct 18 • 10:00 | Liudmila Samsonova |  | - |  | Ajla Tomljanović | 0 | : | 2 |
| Oct 18 • 11:30 | Dayana Yastremska |  | - | | Anna Kalinskaya | 0 | : | 2 |
| Oct 18 • 13:30 | Aleksandra Krunić |  | - |  | Bernarda Pera | 0 | : | 2 |
| Oct 18 • 14:45 | Zheng Qinwen |  | - | | Lesia Tsurenko | 0 | : | 2 |
| Oct 18 • 17:30 | Daria Kasatkina | | - | | Anhelina Kalinina | 0 | : | 2 |
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| Oct 19 • 10:00 | Irina Maria Bara |  | - |  | Tereza Martincová | 0 | : | 2 |
| Oct 19 • 11:30 | Anett Kontaveit |  | - | | Kateřina Siniaková | 2 | : | 0 |
| Oct 19 • 14:30 | Ekaterina Alexandrova | | - |  | Ons Jabeur | 1 | : | 0 |
| Oct 19 • 15:35 | Anastasia Potapova | | - | | Simona Halep | 0 | : | 2 |
| Oct 19 • 16:10 | Jeļena Ostapenko |  | - |  | Andrea Petkovic | 1 | : | 1 |
| Oct 19 • 17:30 | Elena Rybakina |  | - | | Markéta Vondroušová | 0 | : | 2 |
| Oct 19 • 19:00 | Veronika Kudermetova | | - | | Oksana Selekhmeteva | 2 | : | 1 |
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| Oct 20 • 10:00 | Tereza Martincová | | - |  | Garbine Muguruza | 1 | : | 2 |
| Oct 20 • 11:30 | Aryna Sabalenka |  | - | | Ajla Tomljanović | 2 | : | 1 |
| Oct 20 • 14:00 | Anhelina Kalinina | | - | | Ekaterina Alexandrova | 0 | : | 2 |
| Oct 20 • 19:40 | Bernarda Pera | | - | | Anastasia Pavlyuchenkova | 0 | : | 2 |
| Oct 21 • 10:00 | Anett Kontaveit | | - | | Andrea Petkovic | 2 | : | 0 |
| Oct 21 • 11:30 | Maria Sakkari |  | - | | Anna Kalinskaya | 1 | : | 0 |
| Oct 21 • 14:00 | Markéta Vondroušová | | - | | Lesia Tsurenko | 2 | : | 0 |
| Oct 21 • 17:30 | Veronika Kudermetova | | - | | Simona Halep | 0 | : | 2 |
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| Oct 22 • 10:00 | Markéta Vondroušová | | - | | Anastasia Pavlyuchenkova | 2 | : | 0 |
| Oct 22 • 11:30 | Aryna Sabalenka | | - | | Ekaterina Alexandrova | 0 | : | 2 |
| Oct 22 • 14:00 | Anett Kontaveit | | - | | Garbine Muguruza | 2 | : | 0 |
| Oct 22 • 14:50 | Maria Sakkari | | - | | Simona Halep | 2 | : | 0 |
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| Oct 23 • 11:00 | Markéta Vondroušová | | - | | Anett Kontaveit | 0 | : | 2 |
| Oct 23 • 13:00 | Ekaterina Alexandrova | | - | | Maria Sakkari | 0 | : | 0 |
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| Oct 24 • 11:00 | Ekaterina Alexandrova | | - | | Anett Kontaveit | 1 | : | 2 |
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Kremlin Cup / Women's singles 2021
