| Tournament | Round | Derek McKenzie | Jeff Chelton |
| 14.02.1998 Wollongong WORDS Valentine (NSW) | 2 | 409 | 339 |
| 08.06.1998 Victorian Championships (VIC) | 5 | 292 | 411 |
| 20.06.1998 Wollongong Marj Babb (NSW) | 5 | 404 | 392 |
| 17.02.2001 Wollongong WORDS February Frolic (NSW) | 1 | 475 | 303 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 395 | 361.25 | |
| Spread: | 135 | -135 | |