Head to Head
| Welsh Open 2020 | 2020/02/14 12:00 | Mark Selby v Ronnie O'Sullivan | 1-5 |
| Scottish Open 2019 | 2019/12/13 14:40 | Ronnie O'Sullivan v Mark Selby | 4-5 |
| Northern Ireland Open | 2018/11/17 13:00 | Ronnie O'Sullivan v Mark Selby | 6-5 |
| UK Championship | 2016/12/04 13:00 | Ronnie O'Sullivan v Mark Selby | 7-10 |
| World Championship | 2014/05/04 13:00 | Ronnie O'Sullivan v Mark Selby | 14-18 |
Home History
| Snooker Shoot-Out 2020 | 2020/02/22 21:00 | Billy Joe Castle v Ronnie O'Sullivan | 1-0 |
| Snooker Shoot-Out 2020 | 2020/02/21 22:45 | Alan McManus v Ronnie O'Sullivan | 0-1 |
| Welsh Open 2020 | 2020/02/15 13:00 | Kyren Wilson v Ronnie O'Sullivan | 6-5 |
| Welsh Open 2020 | 2020/02/14 12:00 | Mark Selby v Ronnie O'Sullivan | 1-5 |
| Welsh Open 2020 | 2020/02/13 19:00 | Soheil Vahedi v Ronnie O'Sullivan | 0-4 |
| Welsh Open 2020 | 2020/02/13 13:00 | Anthony Hamilton v Ronnie O'Sullivan | 2-4 |
| Welsh Open 2020 | 2020/02/12 19:00 | Stuart Carrington v Ronnie O'Sullivan | 2-4 |
| Welsh Open 2020 | 2020/02/11 13:00 | Ronnie O'Sullivan v Zhang Jiankang | 4-1 |
Away History
| Gibraltar Open 2020 | 2020/03/13 19:20 | Mark Selby v Lyu Haotian | 1-4 |
| Gibraltar Open 2020 | 2020/03/13 17:10 | Mark Selby v Lee Walker | 4-1 |
| Players Championship 2020 | 2020/02/27 13:00 | Stephen Maguire v Mark Selby | 6-5 |
| Players Championship 2020 | 2020/02/24 19:00 | Mark Selby v Mark Williams | 6-0 |
| Snooker Shoot-Out 2020 | 2020/02/20 16:45 | Sunny Akani v Mark Selby | 1-0 |
| Welsh Open 2020 | 2020/02/14 12:00 | Mark Selby v Ronnie O'Sullivan | 1-5 |
| Welsh Open 2020 | 2020/02/13 19:00 | Mark Selby v Zhao Xintong | 4-3 |
| Welsh Open 2020 | 2020/02/13 13:00 | Mark Selby v Andy Lee | 4-2 |