| Tournament | Round | John Barker | Devorah Ullman |
| 22.02.2020 MATCHPLAY QUALIFIER (NSW) | 7 | 298 | 263 |
| 14.03.2021 NO FRILLS 2 (NSW) | 6 | 506 | 202 |
| 02.04.2022 LAKE MACQUARIE 2022 (NSW) | 4 | 368 | 439 |
| 04.03.2023 LAKE MACQUARIE AUTUMN (NSW) | 7 | 484 | 386 |
| 22.04.2023 Wallerawang (NSW) | 1 | 460 | 282 |
| 22.04.2023 Wallerawang (NSW) | 14 | 312 | 383 |
| 02.12.2023 SUTHERLAND (NSW) | 5 | 433 | 321 |
| 16.03.2024 LAKE MACQUARIE AUTUMN (NSW) | 4 | 448 | 315 |
| 24.05.2025 BURWOOD RAT IMPROVE (NSW) | 1 | 351 | 337 |
| 22.06.2025 THE EPPING CLUB COMP (NSW) | 4 | 349 | 403 |
| 13.12.2025 BUNDANOON (NSW) | 8 | 373 | 323 |
| 21.03.2026 LAKE MACQUARIE AUTUMN (NSW) | 7 | 435 | 266 |
| Head-to-head after 12 games | 9 | 3 | |
| Average score | 401.41 | 326.66 | |
| Spread: | 897 | -897 | |