Head to Head
| 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
| Players Championship | 2019/03/04 19:00 | Ronnie O'Sullivan v Barry Hawkins | 6-4 |
| Welsh Open 2019 | 2019/02/14 13:00 | Alexander Ursenbacher v Ronnie O'Sullivan | 4-2 |
| Welsh Open 2019 | 2019/02/13 15:40 | Yuan Sijun v Ronnie O'Sullivan | 2-4 |
| Welsh Open 2019 | 2019/02/12 13:00 | Ronnie O'Sullivan v Sanderson Lam | 4-2 |
| World Grand Prix | 2019/02/04 19:00 | Ronnie O'Sullivan v Marco Fu | 2-4 |
| The Masters 2019 | 2019/01/20 13:00 | Ronnie O'Sullivan v Judd Trump | 4-10 |
| The Masters 2019 | 2019/01/19 13:20 | Ding Junhui v Ronnie O'Sullivan | 3-6 |
| The Masters 2019 | 2019/01/17 13:00 | Ronnie O'Sullivan v Ryan Day | 6-3 |
Away History
| Indian Open 2019 | 2019/03/02 05:05 | John Higgins v James Cahill | 4-1 |
| Indian Open 2019 | 2019/03/01 15:20 | James Cahill v Elliot Slessor | 4-2 |
| Indian Open 2019 | 2019/02/27 15:10 | Michael White v James Cahill | 2-4 |
| Snooker Shoot-Out 2019 | 2019/02/21 21:15 | James Cahill v Mei Xiwen | 0-1 |
| China Championship Qualifiers 2019 | 2019/02/20 10:00 | Ricky Walden v James Cahill | 6-2 |
| Welsh Open 2019 | 2019/02/14 10:00 | Scott Donaldson v James Cahill | 4-0 |
| Welsh Open 2019 | 2019/02/13 10:00 | James Cahill v Shaun Murphy | 4-2 |
| Welsh Open 2019 | 2019/02/12 10:00 | James Cahill v Gerard Greene | 4-2 |