| Date | Tournament | State | Round | Alan Mathews | David Vanzyl |
|---|---|---|---|---|---|
| 11/01/2015 | TRIJAN | WA | 4 | 287 | 461 |
| 06/12/2015 | OPEN6DEC | WA | 5 | 357 | 572 |
| 10/07/2016 | Bisection July | WA | 1 | 291 | 489 |
| 09/07/2017 | BISAGM17 | WA | 4 | 361 | 454 |
| 19/11/2017 | Open Nov | WA | 7 | 372 | 385 |
| 18/03/2018 | Joy Deans Memorial | WA | 5 | 393 | 443 |
| 26/09/2019 | PERTH5 | WA | 2 | 322 | 407 |
| 16/01/2020 | PERTH7 | WA | 4 | 282 | 491 |
| 05/03/2020 | PERTH8 | WA | 1 | 451 | 453 |
| 19/03/2023 | March Round Robin | WA | 5 | 370 | 359 |
| 16/04/2023 | Joy Deans Memorial | WA | 1 | 287 | 468 |
| 10/12/2023 | Graham Bell Memorial | WA | 1 | 426 | 299 |
| 14/01/2024 | January Open | WA | 1 | 295 | 517 |
| 01/06/2026 | WA STATE CHAMPIONSHIPS | WA | 10 | 332 | 432 |
| Head-to-head after 14 games | 2 | 12 | |||
| Average score | 344.71 | 445.00 | |||
| Spread | -1404 | 1404 | |||