| event | player | % Correct |
|---|---|---|
| 2017 Australian Open | Serena Williams | 96%
|
| 2018 US Open | Naomi Osaka | 86%
|
| 2018 French Open | Simona Halep | 82%
|
| 2018 Wimbledon | Angelique Kerber | 81%
|
| 2017 Wimbledon | Garbiñe Muguruza | 77%
|
| 2018 Australian Open | Caroline Wozniacki | 76%
|
| 2017 US Open | Sloane Stephens | 65%
|
| 2017 French Open | Jeļena Ostapenko | 64%
|