| Tournament | Round | David Lawrence | Betty Smith |
| 19.07.2014 Bellerive (TAS) | 7 | 412 | 359 |
| 14.08.2016 Bellerive (TAS) | 6 | 363 | 422 |
| 23.07.2017 Bellerive (TAS) | 7 | 380 | 387 |
| 27.05.2018 BELL WINTER (TAS) | 12 | 353 | 443 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 377 | 402.75 | |
| Spread: | -103 | 103 | |