| Tournament | Winner | % Correct |
|---|---|---|
| 2021 U.S. Open | Emma Raducanu | 100%
|
| 2025 Australian Open | Madison Keys | 100%
|
| 2019 U.S. Open | Bianca Andreescu | 90%
|
| 2023 Wimbledon | Marketa Vondrousova | 90%
|
| 2008 French Open | Ana Ivanovic | 80%
|
| 2004 French Open | Anastasia Myskina | 80%
|
| 2018 Australian Open | Caroline Wozniacki | 80%
|
| 2015 U.S. Open | Flavia Pennetta | 80%
|
| 2010 French Open | Francesca Schiavone | 80%
|
| 1990 U.S. Open | Gabriela Sabatini | 80%
|
| 2017 French Open | Jelena Ostapenko | 80%
|
| 2013 Wimbledon | Marion Bartoli | 80%
|
| 2017 U.S. Open | Sloane Stephens | 80%
|
| 2020 Australian Open | Sofia Kenin | 80%
|
| 1994 Wimbledon | Conchita Martinez | 70%
|
| 1997 French Open | Iva Majoli | 70%
|
| 1998 Wimbledon | Jana Novotna | 70%
|
| 2011 U.S. Open | Samantha Stosur | 70%
|
| 1969 Wimbledon | Ann Haydon-Jones | 60%
|
| 1979 Australian Open | Barbara Jordan | 60%
|
| 1978 Australian Open | Chris O'Neil | 60%
|
| 1977 French Open | Mima Jausovec | 60%
|
| 1976 French Open | Sue Barker | 60%
|
| 1978 French Open | Virginia Ruzici | 60%
|
| 1968 French Open | Nancy Richey | 50%
|
| 1977 Australian Open | Kerry Melville Reid | 40%
|