| Date | Tournament | State | Round | Graeme Lock Lee | Zina Costanzo |
|---|---|---|---|---|---|
| 12/01/1997 | Lasseters Inodoor Challenge (Masters Only) | NT | 16 | 367 | 363 |
| 05/07/1998 | High Country | VIC | 5 | 399 | 460 |
| 05/10/1998 | New South Wales Championships | NSW | 20 | 436 | 344 |
| 05/04/1999 | Australian Championships | NSW | 3 | 384 | 408 |
| 30/01/2000 | City of Sydney International Masters | NSW | 11 | 424 | 331 |
| 07/05/2000 | NSW/Victoria Border Challenge Wagga Wagga | NSW | 8 | 414 | 274 |
| 05/05/2002 | NSW/Victoria Border Challenge Wagga Wagga | NSW | 2 | 469 | 231 |
| 08/09/2002 | Beecroft Marathon | NSW | 1 | 354 | 312 |
| 07/10/2002 | New South Wales Championships | NSW | 5 | 361 | 392 |
| 07/10/2002 | New South Wales Championships | NSW | 21 | 312 | 502 |
| 12/04/2004 | Australian Championships | ACT | 7 | 336 | 318 |
| 14/06/2004 | Victorian Championships | VIC | 17 | 448 | 371 |
| Head-to-head after 12 games | 8 | 4 | |||
| Average score | 392.00 | 358.83 | |||
| Spread | 398 | -398 | |||