| Tournament | Round | Len Mannell | Alan Gauci |
| 10.07.1999 Chatswood (NSW) | 6 | 401 | 341 |
| 14.08.1999 Revesby (NSW) | 3 | 362 | 402 |
| 11.09.1999 St George (NSW) | 2 | 400 | 351 |
| 04.10.1999 New South Wales Championships (NSW) | 5 | 339 | 410 |
| 04.10.1999 New South Wales Championships (NSW) | 12 | 368 | 333 |
| Head-to-head after 5 games | 3 | 2 | |
| Average score | 374 | 367.4 | |
| Spread: | 33 | -33 | |