| Tournament | Round | Garth van Vliet | Therese Nichols |
| 14.02.2015 Wollongong Summer (NSW) | 7 | 365 | 411 |
| 10.02.2018 WORDS Summer RR (NSW) | 8 | 346 | 398 |
| 04.01.2020 JanBoree (NSW) | 7 | 357 | 412 |
| 02.07.2022 NO FRILLS 3 (NSW) | 2 | 366 | 365 |
| 22.07.2023 WYC Fundraiser July (NSW) | 5 | 448 | 388 |
| 06.01.2024 JANBOREE (NSW) | 7 | 489 | 330 |
| 04.04.2026 AUS CHAMPS (ACT) | 24 | 333 | 480 |
| Head-to-head after 7 games | 3 | 4 | |
| Average score | 386.28 | 397.71 | |
| Spread: | -80 | 80 | |