| Date | Tournament | State | Round | Nigel Wilkinson | Melva Lehmann |
|---|---|---|---|---|---|
| 22/02/1998 | Unley February | SA | 5 | 362 | 237 |
| 29/03/1998 | Unley | SA | 5 | 362 | 237 |
| 12/09/1998 | September | SA | 6 | 417 | 277 |
| 25/10/1998 | October | SA | 4 | 290 | 505 |
| 14/02/1999 | South Australian Championships | SA | 10 | 379 | 407 |
| 24/07/2000 | July | SA | 1 | 387 | 350 |
| 22/11/2000 | Unley November | SA | 1 | 416 | 330 |
| 18/08/2002 | August | SA | 2 | 307 | 413 |
| 20/10/2002 | October | SA | 1 | 303 | 382 |
| 16/11/2002 | November | SA | 1 | 382 | 330 |
| 15/02/2003 | Unley February | SA | 1 | 332 | 408 |
| 10/08/2003 | Unley August | SA | 4 | 350 | 330 |
| 07/03/2004 | South Australian Championships | SA | 9 | 331 | 329 |
| 07/03/2004 | South Australian Championships | SA | 14 | 367 | 266 |
| 29/08/2004 | Unley August | SA | 1 | 336 | 377 |
| 18/09/2004 | Southern Tournament | SA | 1 | 289 | 422 |
| 20/02/2005 | February | SA | 5 | 451 | 338 |
| 22/05/2005 | May | SA | 5 | 366 | 316 |
| 12/03/2006 | South Australian Championships | SA | 9 | 461 | 284 |
| Head-to-head after 19 games | 12 | 7 | |||
| Average score | 362.53 | 344.11 | |||
| Spread | 350 | -350 | |||