| Tournament | Round | Chris Ostrowski | Julie Banister |
| 23.01.2021 CSIM (NSW) | 7 | 369 | 263 |
| 14.03.2021 NO FRILLS 2 (NSW) | 2 | 420 | 287 |
| 21.12.2021 OITOO by river (NSW) | 3 | 367 | 407 |
| 11.04.2022 OITOO IN SHIRE APRIL (NSW) | 2 | 357 | 356 |
| 11.04.2022 OITOO IN SHIRE APRIL (NSW) | 6 | 388 | 330 |
| 24.07.2022 NSW Winter Masters (NSW) | 3 | 370 | 323 |
| 24.07.2022 NSW Winter Masters (NSW) | 14 | 403 | 295 |
| 15.10.2022 NSW SPRING MARATHON (NSW) | 3 | 451 | 330 |
| 22.07.2023 WYC Fundraiser July (NSW) | 1 | 417 | 306 |
| 19.10.2024 Spring Marathon (NSW) | 9 | 335 | 350 |
| 01.03.2025 MATCHPLAY QUALIFIER (NSW) | 1 | 370 | 384 |
| 14.06.2025 Wollongong Winter (NSW) | 7 | 420 | 356 |
| 18.10.2025 SPRING MARATHON (NSW) | 10 | 345 | 334 |
| Head-to-head after 13 games | 10 | 3 | |
| Average score | 385.53 | 332.38 | |