| Tournament | Round | Beryl Bell | Bettina Tonkin |
| 15.02.1998 Fremantle (WA) | 2 | 301 | 367 |
| 12.01.2003 Open (WA) | 1 | 298 | 290 |
| 12.12.2010 WA December Open (WA) | 4 | 336 | 325 |
| 16.09.2012 BASSENDEAN (WA) | 3 | 324 | 358 |
| 18.11.2012 MARATHON (WA) | 7 | 329 | 391 |
| 27.04.2014 April OPEN (WA) | 5 | 314 | 372 |
| 13.03.2016 1303OPEN (WA) | 2 | 270 | 348 |
| 24.06.2018 Bassendean (WA) | 5 | 216 | 440 |
| 15.07.2018 Bisection & AGM (WA) | 1 | 252 | 479 |
| 28.10.2018 Yoof Fundraiser (WA) | 5 | 228 | 389 |
| 18.11.2018 NOV OPEN (WA) | 3 | 282 | 360 |
| 17.02.2019 Feb Open (WA) | 2 | 286 | 322 |
| Head-to-head after 12 games | 2 | 10 | |
| Average score | 286.33 | 370.08 | |
| Spread: | -1005 | 1005 | |