Head to Head
| Snooker Shoot-Out 2022 | 2022/01/23 22:10 | Mark Williams v Robbie Williams | 1-0 |
| WST Pro Series 2021 | 2021/03/13 15:30 | Mark Williams v Robbie Williams | 2-0 |
| Riga Masters 2017 | 2017/06/24 16:20 | Robbie Williams v Mark Williams | 2-4 |
| Snooker Shoot-Out 2022 | 2022/01/23 22:10 | Mark Williams v Robbie Williams | 1-0 |
| WST Pro Series 2021 | 2021/03/13 15:30 | Mark Williams v Robbie Williams | 2-0 |
| Riga Masters 2017 | 2017/06/24 16:20 | Robbie Williams v Mark Williams | 2-4 |