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