Head to Head
| Players Championship 2024 | 2024/02/20 13:00 | Mark Williams v Mark Allen | 3-6 |
| Northern Ireland Open 2022 | 2022/10/21 18:25 | Mark Allen v Mark Williams | 5-4 |
| Gibraltar Open 2019 | 2018/04/05 11:30 | Mark Williams v Mark Allen | 6-5 |
| Championship League Snooker | 2017/01/11 17:55 | Mark Allen v Mark Williams | 1-3 |
| German Masters | 2015/02/05 14:00 | Mark Allen v Mark Williams | 5-2 |
| International Championship | 2014/11/01 06:00 | Mark Allen v Mark Williams | 9-8 |
| Shanghai Masters | 2014/09/11 06:30 | Mark Allen v Mark Williams | 5-1 |
| World Open | 2014/03/12 01:30 | Mark Allen v Mark Williams | 5-3 |