Head to Head
| World 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
| Scottish Open 2019 | 2019/12/10 14:30 | Ronnie O'Sullivan v Dominic Dale | 4-3 |
| World Championship 2020 | 2019/12/05 13:00 | Ronnie O'Sullivan v Ding Junhui | 4-6 |
| World Championship 2020 | 2019/12/03 13:00 | Ronnie O'Sullivan v Noppon Saengkham | 6-2 |
| World Championship 2020 | 2019/11/30 13:00 | Ronnie O'Sullivan v Tian Pengfei | 6-0 |
| World Championship 2020 | 2019/11/28 19:30 | Ronnie O'Sullivan v Ross Bulman | 6-0 |
| World Championship 2020 | 2019/11/21 18:50 | Ronnie O'Sullivan v Judd Trump | 0-1 |
| Northern Ireland Open | 2019/11/18 09:00 | Judd Trump v Ronnie O'Sullivan | 1-0 |
| Northern Ireland Open 2019 | 2019/11/17 13:00 | Judd Trump v Ronnie O'Sullivan | 9-7 |
Away History
| Scottish Open 2019 | 2019/12/10 19:00 | James Cahill v Sunny Akani | 4-2 |
| World Championship 2020 | 2019/11/30 19:00 | Anthony Hamilton v James Cahill | 6-3 |
| World Championship 2020 | 2019/11/26 19:30 | David Gilbert v James Cahill | 4-6 |
| Northern Ireland Open 2019 | 2019/11/12 13:00 | Judd Trump v James Cahill | 4-3 |
| English Open 2019 | 2019/10/14 18:20 | Michael Holt v James Cahill | 4-1 |
| World Open Qualifiers 2019 | 2019/10/05 18:00 | Mark Allen v James Cahill | 5-1 |
| China Championship Qualifiers 2019 | 2019/08/18 09:00 | Marco Fu v James Cahill | 5-4 |
| Riga Masters 2019 | 2019/07/26 00:00 | James Cahill v Mark Williams | 3-4 |