| Tournament | Round | Margaret Sella | Nigel Wilkinson |
| 14.02.1999 South Australian Championships (SA) | 14 | 388 | 319 |
| 18.04.1999 Victor Harbour (SA) | 3 | 365 | 296 |
| 25.07.1999 July (SA) | 2 | 338 | 338 |
| 13.02.2000 South Australian Championships (SA) | 7 | 303 | 407 |
| 20.08.2000 Unley (SA) | 4 | 319 | 344 |
| 09.03.2002 South Australian Championships (SA) | 12 | 361 | 312 |
| 13.09.2003 Southern Tournament (SA) | 2 | 371 | 344 |
| 16.10.2004 Unley October (SA) | 6 | 360 | 303 |
| Head-to-head after 8 games | 5.5 | 2.5 | |
| Average score | 350.62 | 332.87 | |
| Spread: | 142 | -142 | |