| Tournament | Round | Joy Deans | Marvi Delfin |
| 24.10.2010 WINTER OPEN 2010 (WA) | 2 | 388 | 344 |
| 18.03.2012 Tri-Section March (WA) | 7 | 340 | 434 |
| 01.07.2012 BISECTION (WA) | 4 | 332 | 405 |
| 20.01.2013 MAXIMIN (WA) | 1 | 328 | 467 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 347 | 412.5 | |
| Spread: | -262 | 262 | |