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
| Shanghai Masters 2019 | 2019/09/15 06:00 | Ronnie O'Sullivan v Shaun Murphy | 11-9 |
| Shanghai Masters 2019 | 2019/09/14 06:00 | Ronnie O'Sullivan v Neil Robertson | 10-6 |
| Shanghai Masters 2019 | 2019/09/12 11:30 | Ronnie O'Sullivan v Kyren Wilson | 6-5 |
| Shanghai Masters 2019 | 2019/09/10 11:30 | Ronnie O'Sullivan v Zhang Yi | 6-0 |
| World Championship 2019 | 2019/04/22 13:30 | Ronnie O'Sullivan v James Cahill | 8-10 |
| Tour Championship 2019 | 2019/03/23 19:00 | Neil Robertson v Ronnie O'Sullivan | 11-13 |
| Tour Championship 2019 | 2019/03/21 13:00 | Judd Trump v Ronnie O'Sullivan | 9-10 |
| Tour Championship 2019 | 2019/03/20 19:00 | Ronnie O'Sullivan v Stuart Bingham | 9-3 |
Away History
| 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 |
| China Championship Qualifiers 2019 | 2019/06/16 13:30 | David Gilbert v James Cahill | 6-0 |
| Riga Masters Qualifiers 2019 | 2019/06/12 18:00 | Jimmy White v James Cahill | 0-4 |
| World Championship 2019 | 2019/04/26 09:00 | Stephen Maguire v James Cahill | 13-12 |
| World Championship 2019 | 2019/04/22 13:30 | Ronnie O'Sullivan v James Cahill | 8-10 |
| China Championship Qualifiers 2019 | 2019/04/17 10:00 | Michael Judge v James Cahill | 6-10 |