| Date | Tournament | State | Round | Thanu Sriskantharaja | Marge Roberts |
|---|---|---|---|---|---|
| 05/11/2023 | November Bisection | WA | 3 | 311 | 398 |
| 11/02/2024 | February Bisection | WA | 2 | 288 | 395 |
| 06/10/2024 | October Bisection | WA | 3 | 357 | 375 |
| 07/12/2025 | Graham Bell Memorial | WA | 4 | 326 | 377 |
| Head-to-head after 4 games | 0 | 4 | |||
| Average score | 320.50 | 386.25 | |||
| Spread | -263 | 263 | |||