Head to Head
| World Championship 2022 | 2022/04/22 18:00 | Mark Allen v Ronnie O'Sullivan | 4-13 |
| Champion of Champions 2020 | 2020/11/05 19:00 | Mark Allen v Ronnie O'Sullivan | 6-3 |
| Players Championship | 2019/03/09 19:00 | Mark Allen v Ronnie O'Sullivan | 0-6 |
| UK Championship | 2018/12/09 13:00 | Ronnie O'Sullivan v Mark Allen | 10-6 |
| The Masters | 2018/01/18 13:05 | Ronnie O'Sullivan v Mark Allen | 1-6 |
| Gibraltar Open 2019 | 2016/12/15 21:15 | Mark Allen v Ronnie O'Sullivan | 2-4 |
| Champion of Champions | 2016/11/11 19:00 | Ronnie O'Sullivan v Mark Allen | 6-2 |
| Gibraltar Open 2019 | 2016/10/05 16:00 | Ronnie O'Sullivan v Mark Allen | 4-2 |