| Tournament | Round | Sal Costanzo | Rene Chelton |
| 05.10.1998 New South Wales Championships (NSW) | 13 | 368 | 323 |
| 21.01.1999 City of Sydney Masters (NSW) | 15 | 372 | 365 |
| 01.08.1999 Winter Masters (NSW) | 5 | 402 | 338 |
| 12.06.2000 Victorian Championships (VIC) | 11 | 288 | 465 |
| 16.04.2001 Australian Championships (VIC) | 16 | 373 | 305 |
| 27.01.2002 City of Sydney International Masters (NSW) | 4 | 352 | 319 |
| 08.06.2003 Victorian Championships (VIC) | 10 | 493 | 320 |
| 08.06.2003 Victorian Championships (VIC) | 16 | 339 | 402 |
| 11.06.2007 Victorian Championships (VIC) | 10 | 387 | 324 |
| 08.06.2009 Vic Championship (VIC) | 23 | 527 | 391 |
| Head-to-head after 10 games | 8 | 2 | |
| Average score | 390.1 | 355.2 | |
| Spread: | 349 | -349 | |