| Tournament | Round | Bettina Tonkin | Maj Langley |
| 13.03.2005 Bunbury (WA) | 1 | 320 | 376 |
| 06.06.2005 Western Australian Championships (WA) | 4 | 313 | 437 |
| 06.06.2005 Western Australian Championships (WA) | 9 | 296 | 440 |
| 06.06.2005 Western Australian Championships (WA) | 21 | 426 | 327 |
| 04.12.2005 Summer Marathon (WA) | 1 | 341 | 347 |
| 04.12.2005 Summer Marathon (WA) | 6 | 390 | 331 |
| 09.04.2006 Nedlands (WA) | 5 | 356 | 348 |
| 30.07.2006 WA Winter Marathon (WA) | 5 | 293 | 360 |
| 30.07.2006 WA Winter Marathon (WA) | 10 | 330 | 311 |
| 22.10.2006 Rockingham (WA) | 5 | 358 | 340 |
| 15.03.2009 Bunbury 2009 (WA) | 3 | 330 | 397 |
| 17.05.2015 Melville (WA) | 1 | 288 | 397 |
| Head-to-head after 12 games | 5 | 7 | |
| Average score | 336.75 | 367.58 | |
| Spread: | -370 | 370 | |