| Tournament | Round | Margaret MacCarthy | Nigel Wilkinson |
| 14.02.1999 South Australian Championships (SA) | 7 | 346 | 331 |
| 13.02.2000 South Australian Championships (SA) | 2 | 348 | 384 |
| 13.02.2000 South Australian Championships (SA) | 14 | 332 | 311 |
| Head-to-head after 3 games | 2 | 1 | |
| Average score | 342 | 342 | |
| Spread: | 0 | 0 | |