| Date | Tournament | State | Round | Trevor Halsall | Nancy Sparling |
|---|---|---|---|---|---|
| 05/04/1998 | Victor Harbour | SA | 2 | 400 | 369 |
| 13/02/2000 | South Australian Championships | SA | 14 | 364 | 423 |
| 18/11/2001 | SA/Victoria Border Challenge | VIC | 4 | 439 | 309 |
| 08/03/2003 | South Australian Championships | SA | 9 | 400 | 347 |
| Head-to-head after 4 games | 3 | 1 | |||
| Average score | 400.75 | 362.00 | |||
| Spread | 155 | -155 | |||