Head to Head
| German Masters 2020 | 2020/01/29 13:00 | Mark Williams v Yuan Sijun | 5-2 |
| World Grand Prix | 2019/02/05 13:00 | Mark Williams v Yuan Sijun | 3-4 |
Home History
| German Masters Qualifiers 2022 | 2021/10/20 13:30 | Chang Bingyu v Mark Williams | 1-5 |
| German Masters Qualifiers 2022 | 2021/10/19 09:00 | Mark Williams v Oliver Lines | 5-1 |
| Northern Ireland Open 2021 | 2021/10/14 14:20 | John Higgins v Mark Williams | 4-3 |
| Northern Ireland Open 2021 | 2021/10/13 14:00 | Mark Williams v Jak Jones | 4-2 |
| Northern Ireland Open 2021 | 2021/10/11 18:00 | Mark Williams v Elliot Slessor | 4-3 |
| Northern Ireland Open Qualifier 2021 | 2021/10/10 20:00 | Mark Williams v Mark Joyce | 4-1 |
| British Open 2021 | 2021/08/22 18:30 | Gary Wilson v Mark Williams | 4-6 |
| British Open 2021 | 2021/08/21 20:30 | Jimmy Robertson v Mark Williams | 1-4 |
Away History
| German Masters Qualifiers 2022 | 2021/10/19 13:30 | Yuan Sijun v Stephen Maguire | 1-5 |
| German Masters Qualifiers 2022 | 2021/10/18 18:00 | Lukas Kleckers v Yuan Sijun | 2-5 |
| Northern Ireland Open 2021 | 2021/10/11 09:15 | Yuan Sijun v Alfie Burden | 2-4 |
| English Open Qualifiers 2021 | 2021/09/17 09:00 | Jimmy Robertson v Yuan Sijun | 4-0 |
| Northern Ireland Open Qualifier 2021 | 2021/08/25 10:30 | Matthew Selt v Yuan Sijun | 1-4 |
| British Open 2021 | 2021/08/16 12:15 | Yuan Sijun v Louis Heathcote | 2-3 |
| Championship League Snooker | 2021/07/23 17:00 | Yuan Sijun v Billy Joe Castle | 3-1 |
| Championship League Snooker | 2021/07/23 16:00 | Anthony McGill v Yuan Sijun | 0-3 |