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