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