Head to Head
| China Open | 2018/04/06 06:00 | Mark Selby v Mark Williams | 6-2 |
| Championship League Snooker | 2018/03/29 13:00 | Mark Selby v Mark Williams | 3-0 |
| The Masters | 2018/01/14 13:10 | Mark Selby v Mark Williams | 5-6 |
| Gibraltar Open 2019 | 2017/11/16 04:00 | Mark Williams v Mark Selby | 5-3 |
| Gibraltar Open 2019 | 2017/11/01 11:30 | Mark Selby v Mark Williams | 6-4 |
| China Open | 2017/04/02 06:00 | Mark Williams v Mark Selby | 8-10 |
| Championship League Snooker | 2017/02/23 11:00 | Mark Selby v Mark Williams | 2-3 |
| The Masters | 2017/01/18 13:00 | Mark Selby v Mark Williams | 6-5 |
Home History
| Snooker Shoot-Out 2020 | 2020/02/20 16:45 | Sunny Akani v Mark Selby | 1-0 |
| Welsh Open 2020 | 2020/02/14 12:00 | Mark Selby v Ronnie O'Sullivan | 1-5 |
| Welsh Open 2020 | 2020/02/13 19:00 | Mark Selby v Zhao Xintong | 4-3 |
| Welsh Open 2020 | 2020/02/13 13:00 | Mark Selby v Andy Lee | 4-2 |
| Welsh Open 2020 | 2020/02/12 10:00 | Mark Selby v Chen Zifan | 4-1 |
| Welsh Open 2020 | 2020/02/10 21:15 | Mark Selby v David Grace | 4-2 |
| World Grand Prix 2020 | 2020/02/03 21:10 | Mark Selby v Xiao Guodong | 3-4 |
| European Masters 2020 | 2020/01/23 19:00 | Barry Hawkins v Mark Selby | 5-4 |
Away History
| Snooker Shoot-Out 2020 | 2020/02/22 16:40 | Mark Williams v Ashley Carty | 0-1 |
| Snooker Shoot-Out 2020 | 2020/02/20 15:00 | Mark Williams v Luca Brecel | 1-0 |
| Welsh Open 2020 | 2020/02/13 13:00 | Mark Williams v Anthony McGill | 1-4 |
| Welsh Open 2020 | 2020/02/12 14:30 | Mark Williams v Jordan Brown | 4-2 |
| Welsh Open 2020 | 2020/02/10 13:00 | Mark Williams v Oliver Lines | 4-1 |
| World Grand Prix 2020 | 2020/02/06 16:15 | Neil Robertson v Mark Williams | 4-0 |
| World Grand Prix 2020 | 2020/02/05 15:45 | Mark Williams v Barry Hawkins | 4-2 |
| German Masters 2020 | 2020/01/30 19:00 | Mark Williams v Graeme Dott | 2-5 |