| Date | Name | Result | DN * | Prediction | Pos/Neg ** | Name | Result | DN | Pos/Neg |
|---|---|---|---|---|---|---|---|---|---|
| 2025-Apr-01 | Ashlyn Krueger | win | 7 | Marta Kostyuk | loss | 4 | |||
| 2025-Jan-13 | Marta Kostyuk | win | 3 | Jule Niemeier | loss | 4 | |||
| 2025-Jan-13 | Paula Badosa Gibert | win | 2 | Marta Kostyuk | loss | 5 | |||
| 2025-Jan-12 | Jule Niemeier | 4 | Marta Kostyuk | 3 | |||||
| 2025-Jan-07 | Marta Kostyuk | 4 | Ashlyn Krueger | 7 | |||||
| 2025-Jan-01 | Yue Yuan | win | 4 | Marta Kostyuk | loss | 7 | |||
| 2024-Nov-06 | Daria Snigur | win | 7 | Marta Kostyuk | loss | 3 | |||
| 2024-Nov-02 | Marta Kostyuk | win | 8 | Caroline Dolehide | loss | 2 | |||
| 2024-Sep-27 | Katie Volynets | win | 3 | Marta Kostyuk | loss | 4 | |||
| 2024-Sep-21 | Diana Shnaider | win | 6 | Marta Kostyuk | loss | 7 | |||
| 2024-Sep-16 | Marta Kostyuk | win | 2 | Arantxa Rus | loss | 3 | |||
| 2024-Aug-26 | Marta Kostyuk | win | 2 | Mccartney Kessler | loss | 2 | |||
| 2024-Aug-14 | Marta Kostyuk | win | 8 | Lulu Sun | loss | 5 | |||
| 2024-Aug-10 | Marta Kostyuk | win | 4 | Elina Avanesyan | loss | 1 | |||
| 2024-Aug-01 | Marta Kostyuk | win | 6 | Taylor Townsend | loss | 1 | |||
| 2024-Jul-30 | Marta Kostyuk | win | 5 | Maria Sakkari | loss | 4 | |||
| 2024-Jun-17 | Daria Kasatkina | win | 7 | Marta Kostyuk | loss | 9 | |||
| 2024-Jun-08 | Marta Kostyuk | win | 2 | Elina Svitolina | loss | 5 | |||
| 2024-May-30 | Donna Vekic | win | 7 | Marta Kostyuk | loss | 3 | |||
| 2024-May-26 | Marta Kostyuk | win | 8 | Laura Pigossi | loss | 6 | |||
| 2024-Apr-26 | Mayar Sherif | win | 1 | Marta Kostyuk | loss | 7 | |||
| 2024-Apr-17 | Marta Kostyuk | win | 7 | Laura Siegemund | loss | 9 | |||
| 2024-Apr-07 | Marta Kostyuk | win | 6 | Daria Saville | loss | 4 | |||
| 2024-Mar-14 | Marta Kostyuk | win | 1 | Anastasia Pavlyuchenkova | loss | 4 | |||
| 2024-Mar-03 | Katie Boulter | win | 5 | Marta Kostyuk | loss | 1 | |||
| 2024-Feb-13 | Anastasia Pavlyuchenkova | win | 4 | Marta Kostyuk | loss | 1 | |||
| 2024-Jan-15 | Marta Kostyuk | win | 4 | Elise Mertens | loss | 7 | |||
| 2024-Jan-03 | Marta Kostyuk | win | 8 | Anastasia Pavlyuchenkova | loss | 2 | |||
| 2023-Dec-31 | Marta Kostyuk | win | 1 | Ana Bogdan | loss | 6 | |||
| 2023-Mar-10 | Marta Kostyuk | win | 7 | Ons Jabeur | loss | 2 | |||
| 2023-Jan-16 | Marta Kostyuk | win | 2 | Amanda Anisimova | loss | 8 | |||
| 2021-Mar-06 | Marta Kostyuk | win | 1 | Saisai Zheng | loss | 9 |
* Day number.
** Positive multiplier the bigger the better. Negative multiplier the bigger the worse.