| Date | Tournament | State | 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 |
| 23/05/2026 | RATINGS IMPROVERS 2 | NSW | 8 | 355 | 418 |
| Head-to-head after 13 games | 9 | 4 | |||
| Average score | 397.85 | 333.69 | |||
| Spread | 834 | -834 | |||