| Tournament | Round | Leif Cooper | Dianne Ward |
| 03.06.2013 WA Championship (WA) | 10 | 370 | 433 |
| 23.02.2014 RRFEB (WA) | 2 | 354 | 434 |
| 22.02.2015 FEB OPEN (WA) | 3 | 461 | 423 |
| 19.07.2015 Bassendean (WA) | 4 | 420 | 342 |
| 06.06.2016 WA Championship (WA) | 4 | 433 | 426 |
| 05.06.2017 WA Championship (WA) | 6 | 409 | 361 |
| Head-to-head after 6 games | 4 | 2 | |
| Average score | 407.83 | 403.16 | |
| Spread: | 28 | -28 | |