| Tournament | Round | Vinh Nguyen | Devorah Ullman |
| 04.08.2019 Cabramatta Youth Fundy (NSW) | 1 | 300 | 460 |
| 13.11.2021 2021 NSW Championship (NSW) | 5 | 338 | 267 |
| 13.11.2021 2021 NSW Championship (NSW) | 15 | 283 | 375 |
| 06.11.2022 Revesby Round Robin (NSW) | 5 | 306 | 396 |
| 06.11.2022 Revesby Round Robin (NSW) | 9 | 414 | 319 |
| 22.07.2023 WYC Fundraiser July (NSW) | 7 | 415 | 348 |
| 26.08.2023 Youth Fundraiser (NSW) | 2 | 387 | 307 |
| 04.05.2024 Hornsby Improvers (NSW) | 8 | 426 | 328 |
| Head-to-head after 8 games | 5 | 3 | |
| Average score | 358.62 | 350 | |
| Spread: | 69 | -69 | |