Head to Head
| World Grand Prix 2024 | 2024/01/16 19:00 | Mark Williams v Thepchaiya Un-Nooh | 4-3 |
| Snooker Shoot-Out 2021 | 2021/02/07 19:00 | Mark Williams v Thepchaiya Un-Nooh | 1-0 |
| Six Red World Championship 2019 | 2019/09/02 11:30 | Mark Williams v Thepchaiya Un-Nooh | 5-2 |
| Paul Hunter Classic 2019 | 2018/09/03 06:28 | Mark Williams v Thepchaiya Un-Nooh | 5-1 |
| Gibraltar Open 2019 | 2018/04/02 06:30 | Thepchaiya Un-Nooh v Mark Williams | 1-6 |
Home History
| Xi’an Grand Prix 2024 | 2024/08/22 06:00 | Mark Williams v Xu Si | 4-5 |
| Xi’an Grand Prix 2024 | 2024/08/21 06:00 | Chris Wakelin v Mark Williams | 2-5 |
| Xi’an Grand Prix 2024 | 2024/08/19 11:30 | Mark Davis v Mark Williams | 2-5 |
| Xi’an Grand Prix Qualifiers 2024 | 2024/07/26 18:00 | Mark Williams v Liam Graham | 5-0 |
| Shanghai Masters 2024 | 2024/07/16 11:30 | Judd Trump v Mark Williams | 6-2 |
| Shanghai Masters 2024 | 2024/07/15 06:00 | Mark Williams v Wang Xinbo | 6-3 |
| Championship League Snooker 2024 | 2024/07/03 19:05 | Mark Williams v Ali Carter | 1-3 |
| Championship League Snooker 2024 | 2024/07/03 16:00 | Mark Williams v Scott Donaldson | 1-3 |
Away History
| Saudi Masters Qualifiers 2024 | 2024/09/02 11:00 | Thepchaiya Un-Nooh v Chris Wakelin | 5-4 |
| Saudi Masters Qualifiers 2024 | 2024/09/01 11:00 | Thepchaiya Un-Nooh v Artemijs Zizins | 4-1 |
| Xi’an Grand Prix 2024 | 2024/08/21 11:30 | Daniel Wells v Thepchaiya Un-Nooh | 5-4 |
| Xi’an Grand Prix 2024 | 2024/08/20 06:30 | Zhou Yuelong v Thepchaiya Un-Nooh | 2-5 |
| British Open Qualifiers 2024 | 2024/07/31 09:00 | Alexander Ursenbacher v Thepchaiya Un-Nooh | 1-4 |
| Wuhan Open Qualifiers 2024 | 2024/07/30 09:00 | Thepchaiya Un-Nooh v Louis Heathcote | 4-5 |
| Xi’an Grand Prix Qualifiers 2024 | 2024/07/25 09:00 | Thepchaiya Un-Nooh v Peifan Lei | 5-3 |
| Championship League Snooker 2024 | 2024/06/29 18:30 | Chris Wakelin v Thepchaiya Un-Nooh | 1-3 |