Head to Head
| 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 |
Home History
| Gibraltar Open 2019 | 2018/04/04 11:30 | Michael Holt v Mark Williams | 1-6 |
| Gibraltar Open 2019 | 2018/04/02 06:30 | Thepchaiya Un-Nooh v Mark Williams | 1-6 |
| Championship League Snooker | 2018/03/29 13:00 | Mark Selby v Mark Williams | 3-0 |
| Championship League Snooker | 2018/03/29 10:45 | Ali Carter v Mark Williams | 3-2 |
| Championship League Snooker | 2018/03/28 18:00 | Kyren Wilson v Mark Williams | 3-1 |
| Championship League Snooker | 2018/03/28 17:00 | Martin Gould v Mark Williams | 3-1 |
| Championship League Snooker | 2018/03/28 13:45 | John Higgins v Mark Williams | 3-2 |
| Championship League Snooker | 2018/03/28 11:30 | Mark Williams v Zhou Yuelong | 3-2 |
Away History
| Gibraltar Open 2019 | 2018/04/04 11:30 | Yan Bingtao v Mark Allen | 4-6 |
| Gibraltar Open 2019 | 2018/04/02 01:30 | Noppon Saengkham v Mark Allen | 1-6 |
| Players Championship | 2018/03/19 19:00 | Ding Junhui v Mark Allen | 6-2 |
| Gibraltar Open 2019 | 2018/03/15 18:00 | Mark Allen v Kyren Wilson | 2-4 |
| Welsh Open | 2018/03/01 12:50 | Mark Allen v Gary Wilson | 3-4 |
| Welsh Open | 2018/02/28 15:50 | Mark Allen v Soheil Vahedi | 4-1 |
| Welsh Open | 2018/02/26 19:40 | Mark Allen v Cao Yupeng | 4-2 |
| World Grand Prix | 2018/02/20 13:00 | Mark Allen v Xiao Guodong | 3-4 |