| Tournament | Round | Nigel wilkinson | Betty Friel |
| 19.07.1998 July (SA) | 3 | 312 | 313 |
| 23.08.1998 August (SA) | 2 | 406 | 257 |
| 14.02.1999 South Australian Championships (SA) | 8 | 345 | 334 |
| 21.03.1999 March (SA) | 2 | 339 | 274 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 350.5 | 294.5 | |
| Spread: | 224 | -224 | |