Head to Head
| Saudi Masters 2024 | 2024/09/03 17:00 | Mark Williams v Thepchaiya Un-Nooh | 5-4 |
| 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 |
| Players Championship | 2015/03/25 13:45 | Mark Williams v Thepchaiya Un-Nooh | 4-1 |
| Shanghai Masters | 2014/08/15 18:00 | Mark Williams v Thepchaiya Un-Nooh | 5-3 |
Home History
| International Championship 2024 | 2024/11/04 01:30 | Thepchaiya Un-Nooh v Stuart Bingham | 6-0 |
| Scottish Open Qualifiers 2024 | 2024/10/29 16:00 | Thepchaiya Un-Nooh v Dean Young | 3-4 |
| Northern Ireland Open 2024 | 2024/10/22 14:35 | Noppon Saengkham v Thepchaiya Un-Nooh | 4-3 |
| International Championship Quals 2024 | 2024/09/30 13:30 | Thepchaiya Un-Nooh v Peifan Lei | 6-4 |
| Northern Ireland Open Qualifier 2024 | 2024/09/29 18:00 | Thepchaiya Un-Nooh v Daniel Womersley | 4-0 |
| British Open 2024 | 2024/09/26 20:00 | Thepchaiya Un-Nooh v Mark Selby | 3-4 |
| British Open 2024 | 2024/09/26 12:00 | Ricky Walden v Thepchaiya Un-Nooh | 3-4 |
| British Open 2024 | 2024/09/24 14:35 | Thepchaiya Un-Nooh v Noppon Saengkham | 4-0 |
Away History
| Northern Ireland Open 2024 | 2024/10/25 15:00 | Mark Williams v Kyren Wilson | 1-5 |
| Northern Ireland Open 2024 | 2024/10/24 14:05 | Mark Williams v Hai Long Ma | 4-2 |
| Northern Ireland Open 2024 | 2024/10/23 20:40 | Mark Williams v Noppon Saengkham | 4-1 |
| Northern Ireland Open 2024 | 2024/10/22 14:50 | Mark Williams v Jamie Clarke | 4-0 |
| International Championship Quals 2024 | 2024/09/30 13:30 | Mark Williams v Haris Tahir | 6-0 |
| British Open Qualifiers 2024 | 2024/09/23 12:00 | Mark Williams v Thor Chuan Leong | 1-4 |
| English Open 2024 | 2024/09/17 14:50 | Mark Williams v Ben Woollaston | 1-4 |
| Saudi Masters 2024 | 2024/09/07 17:00 | Mark Williams v Judd Trump | 9-10 |