Head to Head
| PDC Winter Series 4 2020 | 2020/11/13 16:05 | Joe Cullen v William O'Connor | 6-5 |
| Európa-bajnokság 2020 | 2020/10/29 20:00 | Joe Cullen v William O'Connor | 3-6 |
| European Tour 11 2019 | 2019/09/08 14:05 | William O'Connor v Joe Cullen | 3-6 |
Home History
| European Tour 10 2022 | 2022/09/04 19:05 | Joe Cullen v Dave Chisnall | 7-6 |
| European Tour 10 2022 | 2022/09/04 17:00 | Joe Cullen v Rusty-Jake Rodriguez | 6-4 |
| European Tour 10 2022 | 2022/09/04 11:05 | Jim Williams v Joe Cullen | 4-6 |
| European Tour 10 2022 | 2022/09/03 18:35 | Joe Cullen v Martin Lukeman | 6-4 |
| NZ Darts Masters 2022 | 2022/08/27 07:10 | Dimitri van den Bergh v Joe Cullen | 6-5 |
| NZ Darts Masters 2022 | 2022/08/26 07:40 | Joe Cullen v Damon Heta | 6-2 |
| New South Wales Darts Masters 2022 | 2022/08/20 11:30 | Joe Cullen v Jonny Clayton | 1-7 |
| New South Wales Darts Masters 2022 | 2022/08/20 09:55 | Simon Whitlock v Joe Cullen | 2-6 |
Away History
| European Tour 10 2022 | 2022/09/04 19:45 | William O'Connor v Nathan Aspinall | 7-5 |
| European Tour 10 2022 | 2022/09/04 18:00 | Jose De Sousa v William O'Connor | 4-6 |
| European Tour 10 2022 | 2022/09/04 13:45 | Michael Smith v William O'Connor | 5-6 |
| European Tour 10 2022 | 2022/09/03 14:10 | Dimitri van den Bergh v William O'Connor | 3-6 |
| European Tour 10 2022 | 2022/09/02 18:00 | Pal Szekely v William O'Connor | 2-6 |
| Players Championship 20 2022 | 2022/07/10 12:50 | Luke Humphries v William O'Connor | 6-0 |
| World Cup of Darts 2022 | 2022/06/18 11:55 | Danny Noppert v William O'Connor | 4-1 |
| Players Championship 8 2022 | 2022/03/27 11:55 | Dirk van Duijvenbode v William O'Connor | 2-6 |