| Tournament | Round | Janine Whittaker | Olga Visser |
| 26.01.2008 SYDNEY INTERNL MASTERS (NSW) | 2 | 247 | 360 |
| 29.01.2012 CITY OF SYDNEY MASTERS (NSW) | 7 | 282 | 422 |
| 27.01.2014 City of Sydney International Masters (NSW) | 19 | 394 | 401 |
| 06.04.2015 Australian Championship (VIC) | 18 | 464 | 278 |
| 07.11.2015 Open Saturday (WA) | 3 | 478 | 267 |
| 28.01.2018 City of Sydney International Masters (NSW) | 16 | 375 | 408 |
| 06.11.2022 Revesby Round Robin (NSW) | 3 | 338 | 389 |
| 26.01.2024 Women's Championship (NSW) | 5 | 391 | 378 |
| 25.01.2026 CITY OF SYDNEY MASTERS (NSW) | 3 | 405 | 419 |
| 25.01.2026 CITY OF SYDNEY MASTERS (NSW) | 13 | 417 | 402 |
| 25.01.2026 CITY OF SYDNEY MASTERS (NSW) | 15 | 387 | 378 |
| Head-to-head after 11 games | 5 | 6 | |
| Average score | 379.81 | 372.9 | |
| Spread: | 76 | -76 | |