| Date | Tournament | State | 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 | 350.50 | 294.50 | |||
| Spread | 224 | -224 | |||