Head to Head
| 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
| Scottish Open 2020 | 2020/12/10 21:05 | Judd Trump v Mark Williams | 4-1 |
| Scottish Open 2020 | 2020/12/10 13:30 | Mark Williams v Jackson Page | 4-1 |
| Scottish Open 2020 | 2020/12/09 19:15 | Mark Williams v Dominic Dale | 4-2 |
| Scottish Open 2020 | 2020/12/08 10:00 | Mark Williams v Lukas Kleckers | 4-3 |
| UK Championship 2020 | 2020/12/01 19:00 | Mark Williams v Ricky Walden | 5-6 |
| UK Championship 2020 | 2020/11/29 19:00 | Mark Williams v Sunny Akani | 6-2 |
| UK Championship 2020 | 2020/11/23 09:00 | Mark Williams v Ben Hancorn | 6-0 |
| Northern Ireland Open 2020 | 2020/11/18 16:30 | Mark Williams v Dominic Dale | 2-4 |
Away History
| Scottish Open 2020 | 2020/12/09 19:35 | Lu Ning v Thepchaiya Un-Nooh | 4-1 |
| Scottish Open 2020 | 2020/12/08 14:00 | Thepchaiya Un-Nooh v Michael Collumb | 4-3 |
| UK Championship 2020 | 2020/11/29 13:00 | Joe O'Connor v Thepchaiya Un-Nooh | 6-3 |
| UK Championship 2020 | 2020/11/24 09:00 | Thepchaiya Un-Nooh v Lukas Kleckers | 6-2 |
| Northern Ireland Open 2020 | 2020/11/19 21:05 | Thepchaiya Un-Nooh v Ronnie O'Sullivan | 2-4 |
| Northern Ireland Open 2020 | 2020/11/19 10:00 | Allan Taylor v Thepchaiya Un-Nooh | 0-4 |
| Northern Ireland Open 2020 | 2020/11/18 14:00 | Fergal O'Brien v Thepchaiya Un-Nooh | 1-4 |
| Northern Ireland Open 2020 | 2020/11/17 10:00 | Thepchaiya Un-Nooh v Peter Devlin | 4-2 |