| Tournament | Round | Robert Tomkins | Ruby Kotwall |
| 12.07.1998 Chatswood (NSW) | 3 | 383 | 421 |
| 05.10.1998 New South Wales Championships (NSW) | 8 | 376 | 421 |
| 05.04.1999 Australian Championships (NSW) | 6 | 385 | 341 |
| 10.07.1999 Chatswood (NSW) | 5 | 360 | 342 |
| 04.10.1999 New South Wales Championships (NSW) | 6 | 324 | 390 |
| Head-to-head after 5 games | 2 | 3 | |
| Average score | 365.6 | 383 | |
| Spread: | -87 | 87 | |