| Tournament | Round | Joan Colburt | Brenda Nord |
| 03.05.1998 Maelstrom (QLD) | 1 | 362 | 447 |
| 23.08.1998 Queensland Championships (QLD) | 15 | 340 | 327 |
| 13.09.1998 Toowoomba (QLD) | 6 | 366 | 432 |
| 31.10.1998 Redland Bay (QLD) | 5 | 424 | 405 |
| 15.11.1998 Oyez (QLD) | 6 | 328 | 351 |
| Head-to-head after 5 games | 2 | 3 | |
| Average score | 364 | 392.4 | |
| Spread: | -142 | 142 | |