St. Petersburg 2018 WTA
Final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Petra Kvitova | m. | Kristina Mladenovic | 6-1 6-2 |
Semifinal
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Petra Kvitova | m. | Julia Goerges | 7-5 4-6 6-2 |
| Kristina Mladenovic | m. | Daria Kasatkina | 3-6 6-3 6-2 |
Perempat final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Petra Kvitova | m. | Jelena Ostapenko | 6-0 6-2 |
| Julia Goerges | m. | Elena Rybakina | 6-3 6-3 |
| Kristina Mladenovic | m. | Katerina Siniakova | 6-4 6-3 |
| Daria Kasatkina | m. | Caroline Wozniacki | 7-6(2) 6-3 |
Babak 16 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Jelena Ostapenko | m. | Vera Zvonareva | 7-6(6) 6-3 |
| Petra Kvitova | m. | Irina Camelia Begu | 6-3 1-6 6-1 |
| Elena Rybakina | m. | Caroline Garcia | 4-6 7-6(6) 7-6(5) |
| Julia Goerges | m. | Roberta Vinci | 7-5 6-0 |
| Katerina Siniakova | m. | Kate Makarova | 7-6(7) 7-5 |
| Kristina Mladenovic | m. | Dominika Cibulkova | 6-4 6-4 |
| Daria Kasatkina | m. | Alize Cornet | 6-2 6-1 |
| Caroline Wozniacki | m. | Anastasia Potapova | 6-0 6-1 |
Babak 32 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Vera Zvonareva | m. | Kiki Bertens | 6-4 0-0 RET |
| Irina Camelia Begu | m. | Andrea Petkovic | 7-6(5) 6-1 |
| Petra Kvitova | m. | Elena Vesnina | 6-2 6-0 |
| Elena Rybakina | m. | Timea Bacsinszky | 6-4 6-3 |
| Roberta Vinci | m. | Tereza Martincova | 6-2 6-2 |
| Julia Goerges | m. | Maria Sakkari | 6-2 7-6(5) |
| Kate Makarova | m. | Anastasia Pavlyuchenkova | 6-4 6-4 |
| Katerina Siniakova | m. | Donna Vekic | 6-3 2-6 6-4 |
| Dominika Cibulkova | m. | Sorana Cirstea | 7-5 6-2 |
| Daria Kasatkina | m. | Viktoria Hruncakova | 1-6 6-4 6-1 |
| Alize Cornet | m. | Mona Barthel | 6-3 7-5 |
| Anastasia Potapova | m. | Tatjana Maria | 6-2 6-4 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0