Head to Head
| Championship League Snooker | 2021/02/10 18:00 | Ronnie O'Sullivan v Ali Carter | 3-1 |
| World Grand Prix 2020 | 2020/12/15 19:00 | Ronnie O'Sullivan v Ali Carter | 4-1 |
| Northern Ireland Open 2020 | 2020/11/21 13:00 | Ali Carter v Ronnie O'Sullivan | 3-6 |
| China Championship Qualifiers 2019 | 2018/04/27 09:00 | Ali Carter v Ronnie O'Sullivan | 13-9 |
Home History
| Welsh Open 2021 | 2021/02/18 21:20 | Ali Carter v Mark Allen | 4-2 |
| Welsh Open 2021 | 2021/02/18 15:35 | John Higgins v Ali Carter | 3-4 |
| Welsh Open 2021 | 2021/02/17 14:00 | Ali Carter v Aaron Hill | 4-1 |
| Welsh Open 2021 | 2021/02/16 16:30 | Ali Carter v Daniel Wells | 4-3 |
| Championship League Snooker | 2021/02/13 21:00 | Ali Carter v Anthony McGill | 3-2 |
| Championship League Snooker | 2021/02/13 19:30 | Ali Carter v Mark Williams | 3-2 |
| Championship League Snooker | 2021/02/13 16:20 | Ali Carter v Liang Wenbo | 3-2 |
| Championship League Snooker | 2021/02/13 13:20 | Anthony McGill v Ali Carter | 3-2 |
Away History
| Welsh Open 2021 | 2021/02/18 20:55 | Zhou Yuelong v Ronnie O'Sullivan | 1-4 |
| Welsh Open 2021 | 2021/02/18 14:50 | Martin Gould v Ronnie O'Sullivan | 0-4 |
| Welsh Open 2021 | 2021/02/17 13:00 | Jimmy White v Ronnie O'Sullivan | 0-4 |
| Welsh Open 2021 | 2021/02/16 14:50 | Ronnie O'Sullivan v Robbie Williams | 4-0 |
| Championship League Snooker | 2021/02/11 19:25 | Ronnie O'Sullivan v Kyren Wilson | 2-3 |
| Championship League Snooker | 2021/02/11 18:00 | Ronnie O'Sullivan v Barry Hawkins | 1-3 |
| Championship League Snooker | 2021/02/11 15:45 | Ronnie O'Sullivan v Mark Williams | 1-3 |
| Championship League Snooker | 2021/02/10 20:40 | Ronnie O'Sullivan v Mark Selby | 3-1 |