| Tournament | Round | Anne Drew | Joan Colburt |
| 03.05.1998 Maelstrom (QLD) | 4 | 415 | 423 |
| 23.08.1998 Queensland Championships (QLD) | 11 | 349 | 358 |
| 13.09.1998 Toowoomba (QLD) | 2 | 304 | 344 |
| 02.05.1999 Maelstrom (QLD) | 6 | 332 | 432 |
| Head-to-head after 4 games | 0 | 4 | |
| Average score | 350 | 389.25 | |
| Spread: | -157 | 157 | |