| Date | Tournament | State | 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 | 344.11 | 362.53 | |||
| Spread | -350 | 350 | |||