| Tournament | Round | Melva Lehmann | Nigel Wilkinson |
| 22.02.1998 Unley February (SA) | 5 | 237 | 362 |
| 29.03.1998 Unley (SA) | 5 | 237 | 362 |
| 12.09.1998 September (SA) | 6 | 277 | 417 |
| 25.10.1998 October (SA) | 4 | 505 | 290 |
| 14.02.1999 South Australian Championships (SA) | 10 | 407 | 379 |
| 24.07.2000 July (SA) | 1 | 350 | 387 |
| 22.11.2000 Unley November (SA) | 1 | 330 | 416 |
| 18.08.2002 August (SA) | 2 | 413 | 307 |
| 20.10.2002 October (SA) | 1 | 382 | 303 |
| 16.11.2002 November (SA) | 1 | 330 | 382 |
| 15.02.2003 Unley February (SA) | 1 | 408 | 332 |
| 10.08.2003 Unley August (SA) | 4 | 330 | 350 |
| 07.03.2004 South Australian Championships (SA) | 9 | 329 | 331 |
| 07.03.2004 South Australian Championships (SA) | 14 | 266 | 367 |
| 29.08.2004 Unley August (SA) | 1 | 377 | 336 |
| 18.09.2004 Southern Tournament (SA) | 1 | 422 | 289 |
| 20.02.2005 February (SA) | 5 | 338 | 451 |
| 22.05.2005 May (SA) | 5 | 316 | 366 |
| 12.03.2006 South Australian Championships (SA) | 9 | 284 | 461 |
| Head-to-head after 19 games | 7 | 12 | |
| Average score | 344.1 | 362.52 | |
| Spread: | -350 | 350 | |