Face à face
| Scottish Open 2019 | 2019/12/11 19:00 | Ronnie O'Sullivan v James Cahill | 4-0 |
| World Snooker Championship 2019 | 2019/04/22 13:30 | Ronnie O'Sullivan v James Cahill | 8-10 |
| China Championship Qualifiers 2019 | 2017/01/26 19:00 | Ronnie O'Sullivan v James Cahill | 5-3 |
| China Championship Qualifiers 2019 | 2016/09/29 18:30 | Ronnie O'Sullivan v James Cahill | 6-4 |
Home History
| European Masters 2022 | 2022/02/27 13:00 | Fan Zhengyi v Ronnie O'Sullivan | 10-9 |
| European Masters 2022 | 2022/02/26 19:00 | Ronnie O'Sullivan v Wenbo, Liang | 6-2 |
| European Masters 2022 | 2022/02/25 19:00 | Ronnie O'Sullivan v Tom Ford | 5-1 |
| European Masters 2022 | 2022/02/24 14:30 | Ronnie O'Sullivan v Ashley Hugill | 5-2 |
| European Masters 2022 | 2022/02/23 14:30 | Ronnie O'Sullivan v Wu Yize | 5-1 |
| European Masters 2022 | 2022/02/22 14:30 | Ronnie O'Sullivan v Zhang Anda | 5-4 |
| European Masters Qualifiers 2022 | 2022/02/21 19:00 | Ronnie O'Sullivan v Bond, Nigel | 5-1 |
| Players Championship 2022 | 2022/02/10 19:00 | Ronnie O'Sullivan v Neil Robertson | 3-6 |
Away History
| Turkish Masters Qualifiers 2022 | 2022/02/03 14:30 | Alexander Ursenbacher v James Cahill | 5-1 |
| Snooker Shoot-Out 2022 | 2022/01/20 14:55 | James Cahill v Jackson Page | 0-1 |
| Scottish Open Qualifiers 2021 | 2021/12/06 10:00 | James Cahill v Ben Woollaston | 0-4 |
| Northern Ireland Open 2021 | 2021/10/13 18:00 | Jimmy Robertson v James Cahill | 4-0 |
| Northern Ireland Open 2021 | 2021/10/11 14:05 | James Cahill v Fergal O'Brien | 4-0 |
| English Open Qualifiers 2021 | 2021/09/19 09:00 | James Cahill v Walker, Lee | 4-2 |
| Northern Ireland Open Qualifier 2021 | 2021/08/23 11:25 | James Cahill v Bingyu, Chang | 4-2 |
| British Open 2021 | 2021/08/17 18:00 | James Cahill v Ricky Walden | 2-3 |