| Tournament | Round | Trevor Halsall | Teresa Dean |
| 13.02.2000 South Australian Championships (SA) | 12 | 388 | 368 |
| 22.04.2000 Australian Championships (QLD) | 2 | 497 | 348 |
| 18.11.2001 SA/Victoria Border Challenge (VIC) | 7 | 415 | 356 |
| 08.03.2003 South Australian Championships (SA) | 8 | 407 | 256 |
| 14.09.2003 Melbourne Masters (VIC) | 5 | 523 | 321 |
| 02.11.2003 SA/Victoria Border Challenge Dimboola (VIC) | 9 | 525 | 220 |
| 14.06.2004 Victorian Championships (VIC) | 5 | 451 | 342 |
| 17.04.2006 Australian Championships (QLD) | 10 | 475 | 304 |
| 07.03.2010 SA Championship (SA) | 13 | 499 | 395 |
| 10.03.2013 SA Championship (SA) | 14 | 423 | 398 |
| 08.03.2025 SA Champs (SA) | 6 | 457 | 433 |
| Head-to-head after 11 games | 11 | 0 | |
| Average score | 460 | 340.09 | |
| Spread: | 1319 | -1319 | |