| Tournament | Round | John Holgate | Janine Whittaker |
| 01.10.2007 New South Wales Champs (NSW) | 7 | 423 | 252 |
| 03.10.2011 NSW Championships (NSW) | 22 | 422 | 421 |
| 24.08.2014 Hills Open (NSW) | 8 | 365 | 296 |
| 13.06.2015 WORDS Winter (NSW) | 4 | 438 | 347 |
| 05.10.2015 NSW Championships (NSW) | 13 | 401 | 304 |
| 29.01.2017 City of Sydney International Masters (NSW) | 2 | 368 | 363 |
| 28.01.2018 City of Sydney International Masters (NSW) | 2 | 442 | 415 |
| 28.01.2019 City Of Sydney International Masters (NSW) | 8 | 465 | 479 |
| 04.05.2019 TEN DOLLAR GAP (NSW) | 3 | 420 | 374 |
| 05.06.2021 BEECROFT MARATHON (NSW) | 13 | 412 | 348 |
| 04.06.2022 BEECROFT SWAN SONG (NSW) | 12 | 540 | 345 |
| 15.10.2022 NSW SPRING MARATHON (NSW) | 1 | 602 | 230 |
| 24.02.2024 MATCHPLAY QUALIFIER (NSW) | 2 | 390 | 333 |
| 14.04.2024 OBERON OPEN (NSW) | 6 | 424 | 375 |
| 19.10.2024 Spring Marathon (NSW) | 4 | 539 | 334 |
| 22.02.2025 Wollongong Summer (NSW) | 1 | 356 | 383 |
| 01.03.2025 MATCHPLAY QUALIFIER (NSW) | 1 | 416 | 413 |
| 25.01.2026 CITY OF SYDNEY MASTERS (NSW) | 1 | 478 | 329 |
| Head-to-head after 18 games | 16 | 2 | |
| Average score | 438.94 | 352.27 | |
| Spread: | 1560 | -1560 | |