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