| First Round | 1 | 2 | |||
| 31 Petra Martic | 6 | 6 | |||
| Ons Jabeur | 1 | 2 | |||
| Winner: Petra Martic | |||||
| First Round | 1 | 2 | |||
| Magdalena Rybarikova | 3 | 4 | |||
| Johanna Larsson | 6 | 6 | |||
| Winner: Johanna Larsson | |||||
| First Round | 1 | 2 | |||
| 5 Angelique Kerber | 4 | 2 | |||
| Anastasia Potapova | 6 | 6 | |||
| Winner: Anastasia Potapova | |||||
| First Round | 1 | 2 | 3 | ||
| 19 Garbine Muguruza | 5 | 6 | 6 | ||
| Taylor Townsend | 7 | 2 | 2 | ||
| Winner: Garbine Muguruza | |||||
| First Round | 1 | 2 | |||
| Svetlana Kuznetsova | 4 | 2 | |||
| Kristina Kucova | 6 | 6 | |||
| Winner: Kristina Kucova | |||||
| First Round | 1 | 2 | |||
| Yafan Wang | 4 | 3 | |||
| Marketa Vondrousova | 6 | 6 | |||
| Winner: Marketa Vondrousova | |||||
| First Round | 1 | 2 | |||
| Laura Siegemund | 6 | 6 | |||
| Sofya Zhuk | 3 | 3 | |||
| Winner: Laura Siegemund | |||||
| First Round | 1 | 2 | |||
| Bernarda Pera | 2 | 65 | |||
| Kateryna Kozlova | 6 | 77 | |||
| Winner: Kateryna Kozlova | |||||
| First Round | 1 | 2 | |||
| Fiona Ferro | 3 | 63 | |||
| Kristina Mladenovic | 6 | 77 | |||
| Winner: Kristina Mladenovic | |||||
| First Round | 1 | 2 | |||
| 15 Belinda Bencic | 6 | 6 | |||
| Jessika Ponchet | 1 | 4 | |||
| Winner: Belinda Bencic | |||||
| First Round | 1 | 2 | |||
| 9 Elina Svitolina | 6 | 6 | |||
| Venus Williams | 3 | 3 | |||
| Winner: Elina Svitolina | |||||
| First Round | 1 | 2 | |||
| 2 Karolina Pliskova | 6 | 6 | |||
| Madison Brengle | 2 | 3 | |||
| Winner: Karolina Pliskova | |||||
| First Round | 1 | 2 | |||
| 7 Sloane Stephens | 6 | 77 | |||
| Misaki Doi | 3 | 64 | |||
| Winner: Sloane Stephens | |||||
| First Round | 1 | 2 | 3 | ||
| Sara Sorribes Tormo | 6 | 5 | 6 | ||
| Alison Van Uytvanck | 1 | 7 | 2 | ||
| Winner: Sara Sorribes Tormo | |||||
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