| Tournament | Round | Marilyn Smith | Joan Colburt |
| 03.05.1998 Maelstrom (QLD) | 5 | 405 | 329 |
| 17.05.1998 Southport Winter (QLD) | 4 | 357 | 347 |
| 23.08.1998 Queensland Championships (QLD) | 5 | 393 | 409 |
| 13.09.1998 Toowoomba (QLD) | 5 | 396 | 424 |
| 11.10.1998 Greenbank (QLD) | 6 | 382 | 530 |
| 31.10.1998 Redland Bay (QLD) | 2 | 339 | 414 |
| 15.11.1998 Oyez (QLD) | 2 | 415 | 408 |
| 02.05.1999 Maelstrom (QLD) | 7 | 393 | 303 |
| Head-to-head after 8 games | 4 | 4 | |
| Average score | 385 | 395.5 | |
| Spread: | -84 | 84 | |