| Tournament | Round | Ruby Kotwall | Jeff Chelton |
| 14.02.1998 Wollongong WORDS Valentine (NSW) | 5 | 379 | 457 |
| 26.07.1998 Winter Masters (NSW) | 9 | 347 | 344 |
| 26.07.1998 Winter Masters (NSW) | 18 | 395 | 389 |
| 14.11.1999 Sydney (NSW) | 7 | 351 | 324 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 368 | 378.5 | |
| Spread: | -42 | 42 | |