| Tournament | Round | Tim Walton | Olga Visser |
| 13.08.2006 Magnetic Island Sun (QLD) | 3 | 252 | 445 |
| 02.08.2009 Townsville Sunday (QLD) | 3 | 294 | 374 |
| 09.08.2009 Magnetic Island Sunday (QLD) | 1 | 304 | 390 |
| 04.08.2012 Townsville Saturday (QLD) | 6 | 256 | 402 |
| 12.08.2012 Maggie Sunday (QLD) | 6 | 370 | 349 |
| 24.08.2013 Cairns Saturday (QLD) | 3 | 412 | 329 |
| 16.04.2022 Australian Championship (QLD) | 2 | 346 | 401 |
| 19.08.2023 Qld Champs (QLD) | 9 | 366 | 362 |
| 27.07.2024 Saturday Townsville (QLD) | 1 | 411 | 407 |
| 17.04.2025 Warmup (SA) | 2 | 441 | 446 |
| 19.04.2025 National Championship and Plate (SA) | 6 | 427 | 344 |
| 13.08.2025 Magnetic Island Wednesday (QLD) | 4 | 388 | 442 |
| Head-to-head after 12 games | 5 | 7 | |
| Average score | 355.58 | 390.91 | |
| Spread: | -424 | 424 | |