| Tournament | Round | David Vanzyl | Graham Bell |
| 15.01.2012 January Maximin (WA) | 2 | 322 | 512 |
| 09.12.2012 OPEN (WA) | 2 | 342 | 473 |
| 23.02.2014 RRFEB (WA) | 2 | 465 | 389 |
| 18.09.2016 Yoof September (WA) | 2 | 581 | 462 |
| 17.04.2017 National Championship (WA) | 16 | 384 | 416 |
| 10.12.2017 December Open (WA) | 4 | 454 | 400 |
| 14.01.2018 Jan HALFPM (WA) | 1 | 427 | 388 |
| 04.02.2018 Feb open (WA) | 6 | 367 | 475 |
| 25.02.2018 Feb RR (WA) | 1 | 403 | 380 |
| 22.04.2018 YOOF APRIL (WA) | 2 | 324 | 373 |
| 20.05.2018 Melville (WA) | 6 | 317 | 383 |
| 28.10.2018 Yoof Fundraiser (WA) | 3 | 361 | 348 |
| 20.01.2019 Jan Half PM (WA) | 1 | 474 | 438 |
| 07.02.2019 PERTH1 (WA) | 5 | 514 | 453 |
| 26.09.2019 PERTH5 (WA) | 5 | 420 | 359 |
| 11.04.2021 APR21RR (WA) | 7 | 319 | 528 |
| Head-to-head after 16 games | 9 | 7 | |
| Average score | 404.62 | 423.56 | |
| Spread: | -303 | 303 | |