| Tournament | Round | Nigel Wilkinson | Coralie Gray |
| 21.03.1998 February (SA) | 2 | 298 | 307 |
| 24.05.1998 South Australian Championships (SA) | 3 | 355 | 437 |
| 19.07.1998 July (SA) | 5 | 412 | 385 |
| 16.01.1999 January (SA) | 2 | 373 | 309 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 359.5 | 359.5 | |
| Spread: | 0 | 0 | |