| Tournament | Round | Bob Parmenter | Bettina Tonkin |
| 26.05.2002 Melville (WA) | 2 | 295 | 380 |
| 16.06.2002 Advanced Intermediate Recreation (WA) | 3 | 367 | 316 |
| 10.02.2002 Fremantle (WA) | 5 | 352 | 469 |
| 10.03.2002 Bunbury (WA) | 4 | 381 | 393 |
| 04.07.2010 WA BISECTION (WA) | 3 | 405 | 358 |
| 19.09.2010 YOKINE 2010 (WA) | 3 | 361 | 350 |
| 23.01.2011 Summer Maximin (WA) | 4 | 334 | 362 |
| 05.03.2012 BINDOON 2012 (WA) | 5 | 319 | 308 |
| 05.03.2012 BINDOON 2012 (WA) | 16 | 282 | 289 |
| 20.05.2012 May 2012 Melville (WA) | 6 | 257 | 323 |
| Head-to-head after 10 games | 4 | 6 | |
| Average score | 335.3 | 354.8 | |
| Spread: | -195 | 195 | |