| Tournament | Round | Tony Williams | Olga Visser |
| 01.04.2013 Australian Championship (QLD) | 24 | 386 | 385 |
| 26.01.2015 City of Sydney International Masters (NSW) | 17 | 304 | 406 |
| 26.01.2019 AUSTRALIA DAY OPEN (NSW) | 2 | 378 | 384 |
| 03.11.2022 Seniors Championship (NSW) | 12 | 371 | 413 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 359.75 | 397 | |
| Spread: | -149 | 149 | |