| Date | Tournament | State | Round | Bettina Tonkin | Beryl Bell |
|---|---|---|---|---|---|
| 15/02/1998 | Fremantle | WA | 2 | 367 | 301 |
| 12/01/2003 | Open | WA | 1 | 290 | 298 |
| 12/12/2010 | WA December Open | WA | 4 | 325 | 336 |
| 16/09/2012 | BASSENDEAN | WA | 3 | 358 | 324 |
| 18/11/2012 | MARATHON | WA | 7 | 391 | 329 |
| 27/04/2014 | April OPEN | WA | 5 | 372 | 314 |
| 13/03/2016 | 1303OPEN | WA | 2 | 348 | 270 |
| 24/06/2018 | Bassendean | WA | 5 | 440 | 216 |
| 15/07/2018 | Bisection & AGM | WA | 1 | 479 | 252 |
| 28/10/2018 | Yoof Fundraiser | WA | 5 | 389 | 228 |
| 18/11/2018 | NOV OPEN | WA | 3 | 360 | 282 |
| 17/02/2019 | Feb Open | WA | 2 | 322 | 286 |
| Head-to-head after 12 games | 10 | 2 | |||
| Average score | 370.08 | 286.33 | |||
| Spread | 1005 | -1005 | |||