| Tournament | Round | Ian Newton | Lorraine Thomas |
| 13.04.2003 Western Suburbs (VIC) | 3 | 341 | 328 |
| 08.06.2003 Victorian Championships (VIC) | 9 | 327 | 327 |
| 08.06.2003 Victorian Championships (VIC) | 16 | 321 | 430 |
| 19.10.2003 Frankston (VIC) | 3 | 443 | 402 |
| 16.01.2005 Aestival (VIC) | 2 | 351 | 361 |
| 03.07.2005 Nunawading (VIC) | 4 | 485 | 241 |
| 06.11.2005 Geelong (VIC) | 2 | 578 | 409 |
| 27.11.2005 McKinnon (VIC) | 2 | 346 | 363 |
| 15.01.2006 Aestival (VIC) | 2 | 419 | 351 |
| 17.04.2006 Australian Championships (QLD) | 19 | 371 | 340 |
| 05.11.2006 Geelong (VIC) | 6 | 385 | 369 |
| 18.01.2009 Aestival (VIC) | 4 | 329 | 426 |
| 14.02.2010 Camberwell (VIC) | 3 | 410 | 375 |
| 20.11.2011 Bentleigh (VIC) | 6 | 499 | 365 |
| Head-to-head after 14 games | 9.5 | 4.5 | |
| Average score | 400.35 | 363.35 | |
| Spread: | 518 | -518 | |