Head to Head
| Welsh Open 2020 | 2020/02/10 13:00 | Mark Williams v Oliver Lines | 4-1 |
| German Masters 2018 | 2017/12/19 19:00 | Mark Williams v Oliver Lines | 5-1 |
Home History
| 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 |
| British Open 2021 | 2021/08/21 14:35 | Mark Williams v Ricky Walden | 4-3 |
| British Open 2021 | 2021/08/20 19:15 | Zhang Jiankang v Mark Williams | 2-3 |
Away History
| Northern Ireland Open 2021 | 2021/10/13 14:20 | Yan Bingtao v Oliver Lines | 4-0 |
| Northern Ireland Open 2021 | 2021/10/11 19:00 | Oliver Lines v Ben Woollaston | 4-0 |
| Scottish Open Qualifiers 2021 | 2021/09/24 17:30 | Gerard Greene v Oliver Lines | 1-4 |
| English Open Qualifiers 2021 | 2021/09/21 12:00 | Oliver Lines v Zhang Anda | 4-0 |
| Northern Ireland Open Qualifier 2021 | 2021/08/25 15:15 | Joe Perry v Oliver Lines | 2-4 |
| British Open 2021 | 2021/08/20 12:00 | Ali Carter v Oliver Lines | 3-1 |
| British Open 2021 | 2021/08/19 13:45 | Oliver Lines v David Grace | 3-0 |
| British Open 2021 | 2021/08/18 08:00 | Si Jiahui v Oliver Lines | 0-3 |