| Date | Name | Result | DN * | Prediction | Pos/Neg ** | Name | Result | DN | Pos/Neg |
|---|---|---|---|---|---|---|---|---|---|
| 2025-Apr-01 | Iga Swiatek | win | 1 | Katie Boulter | loss | 3 | |||
| 2025-Jan-14 | Katie Boulter | win | 6 | Rebecca Marino | loss | 8 | |||
| 2025-Jan-13 | Rebecca Marino | 8 | Katie Boulter | 6 | |||||
| 2025-Jan-01 | Katie Boulter | win | 2 | Olivia Gadecki | loss | 1 | |||
| 2024-Nov-19 | Rebecca Sramkova | win | 3 | Katie Boulter | loss | 2 | |||
| 2024-Nov-15 | Katie Boulter | win | 9 | Leylah Annie Fernandez | loss | 1 | |||
| 2024-Oct-29 | Diana Shnaider | win | 8 | Katie Boulter | loss | 4 | |||
| 2024-Oct-25 | Sofia Kenin | win | 7 | Katie Boulter | loss | 8 | |||
| 2024-Oct-24 | Katie Boulter | win | 6 | Kyoka Okamura | loss | 5 | |||
| 2024-Oct-17 | Beatriz Haddad Maia | win | 1 | Katie Boulter | loss | 8 | |||
| 2024-Oct-15 | Katie Boulter | win | 6 | Sara Errani | loss | 1 | |||
| 2024-Oct-05 | Rebecca Sramkova | win | 6 | Katie Boulter | loss | 5 | |||
| 2024-Sep-27 | Katie Boulter | win | 8 | Taylor Townsend | loss | 8 | |||
| 2024-Aug-29 | Jessica Bouzas Maneiro | win | 4 | Katie Boulter | loss | 9 | |||
| 2024-Aug-27 | Katie Boulter | win | 7 | Aliaksandra Sasnovich | loss | 6 | |||
| 2024-Aug-13 | Magda Linette | win | 7 | Katie Boulter | loss | 2 | |||
| 2024-Aug-10 | Lesya Tsurenko | win | 1 | Katie Boulter | loss | 8 | |||
| 2024-Aug-08 | Aryna Sabalenka | win | 2 | Katie Boulter | loss | 7 | |||
| 2024-Jul-30 | Anna Schmiedlova | win | 2 | Katie Boulter | loss | 7 | |||
| 2024-Jul-08 | Katie Boulter | win | 6 | Beatriz Haddad Maia | loss | 8 | |||
| 2024-Jun-27 | Jasmine Paolini | win | 6 | Katie Boulter | loss | 5 | |||
| 2024-Jun-26 | Katie Boulter | win | 4 | Jelena Ostapenko | loss | 2 | |||
| 2024-Jun-18 | Anhelina Kalinina | win | 3 | Katie Boulter | loss | 5 | |||
| 2024-Jun-16 | Katie Boulter | win | 3 | Karolina Pliskova | loss | 1 | |||
| 2024-Jun-03 | Camila Giorgi | win | 4 | Katie Boulter | loss | 8 | |||
| 2024-May-30 | Paula Badosa Gibert | win | 7 | Katie Boulter | loss | 5 | |||
| 2024-May-17 | Varvara Gracheva | win | 5 | Katie Boulter | loss | 3 | |||
| 2024-May-15 | Katie Boulter | win | 2 | Viktoriya Tomova | loss | 7 | |||
| 2024-Apr-24 | Robin Montgomery | win | 9 | Katie Boulter | loss | 2 | |||
| 2024-Apr-13 | Katie Boulter | win | 7 | Clara Burel | loss | 2 | |||
| 2024-Apr-07 | Harriet Dart | win | 4 | Katie Boulter | loss | 1 | |||
| 2024-Mar-26 | Victoria Azarenka | win | 1 | Katie Boulter | loss | 9 | |||
| 2024-Mar-21 | Katie Boulter | win | 5 | Brenda Fruhvirtova | loss | 2 | |||
| 2024-Mar-03 | Katie Boulter | win | 5 | Marta Kostyuk | loss | 1 | |||
| 2024-Feb-11 | Katie Boulter | win | 3 | Xiyu Wang | loss | 4 | |||
| 2024-Feb-07 | Katie Boulter | win | 8 | Tatjana Maria | loss | 9 | |||
| 2024-Jan-10 | Cori Gauff | win | 1 | Katie Boulter | loss | 1 |
* Day number.
** Positive multiplier the bigger the better. Negative multiplier the bigger the worse.