| Tournament | Round | Wayne Willis | Elaine Ison |
| 23.08.1998 Queensland Championships (QLD) | 1 | 325 | 315 |
| 24.02.2002 Ipswich (QLD) | 1 | 372 | 310 |
| 06.12.2009 Southport Christmas (QLD) | 2 | 390 | 265 |
| 12.05.2013 Sunday Alzheimer's (QLD) | 1 | 383 | 342 |
| Head-to-head after 4 games | 4 | 0 | |
| Average score | 367.5 | 308 | |
| Spread: | 238 | -238 | |