| Tournament | Round | Tim Mason | Leif Cooper |
| 15.09.2013 TRISEP13 (WA) | 4 | 425 | 447 |
| 03.11.2013 COOGEE (WA) | 6 | 352 | 422 |
| 06.07.2014 JULY OPEN (WA) | 4 | 408 | 447 |
| 07.12.2014 Dec OPEN (WA) | 6 | 421 | 371 |
| 01.02.2015 FREM1FEB (WA) | 4 | 411 | 315 |
| 19.07.2015 Bassendean (WA) | 6 | 327 | 423 |
| 15.01.2017 Half Marathon (WA) | 1 | 460 | 257 |
| 05.06.2017 WA Championship (WA) | 7 | 521 | 301 |
| 05.06.2017 WA Championship (WA) | 16 | 406 | 382 |
| Head-to-head after 9 games | 5 | 4 | |
| Average score | 414.55 | 373.88 | |
| Spread: | 366 | -366 | |