| Tournament | Round | Peter Kougi | Zina Costanzo |
| 24.03.2006 March Notturno (VIC) | 5 | 347 | 437 |
| 13.05.2006 MAYDAY & NIGHT (VIC) | 3 | 357 | 341 |
| 02.07.2006 Bentleigh (VIC) | 3 | 329 | 465 |
| 18.02.2007 Camberwell (VIC) | 5 | 425 | 414 |
| 11.06.2007 Victorian Championships (VIC) | 23 | 394 | 436 |
| 15.02.2009 Camberwell (VIC) | 1 | 438 | 290 |
| Head-to-head after 6 games | 3 | 3 | |
| Average score | 381.66 | 397.16 | |
| Spread: | -93 | 93 | |