Head to Head
| Northern Ireland Open 2020 | 2020/11/18 14:00 | Fergal O'Brien v Thepchaiya Un-Nooh | 1-4 |
| International Championship | 2014/10/27 06:30 | Fergal O'Brien v Thepchaiya Un-Nooh | 6-5 |
Home History
| European Masters 2022 | 2022/02/22 19:00 | Mitchell Mann v Thepchaiya Un-Nooh | 5-0 |
| Welsh Open Qualifiers 2022 | 2022/02/20 10:00 | Thepchaiya Un-Nooh v Robert Milkins | 4-2 |
| Snooker Shoot-Out 2022 | 2022/01/21 14:40 | Thepchaiya Un-Nooh v Kuldesh Johal | 0-1 |
| UK Championship 2021 | 2021/11/28 13:00 | Zhao Xintong v Thepchaiya Un-Nooh | 6-5 |
| UK Championship 2021 | 2021/11/24 19:30 | Thepchaiya Un-Nooh v Stephen Hendry | 6-1 |
| English Open 2021 | 2021/11/04 13:00 | Jamie Clarke v Thepchaiya Un-Nooh | 4-1 |
| English Open 2021 | 2021/11/03 13:00 | Thepchaiya Un-Nooh v Peter Devlin | 4-0 |
| European Masters Qualifiers 2022 | 2021/10/31 14:30 | Thepchaiya Un-Nooh v Chen Zifan | 5-3 |
Away History
| Welsh Open Qualifiers 2022 | 2022/02/28 10:00 | Stephen Maguire v Fergal O'Brien | 1-4 |
| European Masters 2022 | 2022/02/22 10:00 | Wu Yize v Fergal O'Brien | 5-3 |
| Turkish Masters Qualifiers 2022 | 2022/02/06 14:30 | Lyu Haotian v Fergal O'Brien | 5-1 |
| Snooker Shoot-Out 2022 | 2022/01/20 21:25 | Leo Fernandez v Fergal O'Brien | 1-0 |
| Scottish Open 2021 | 2021/12/09 19:00 | Fergal O'Brien v Luca Brecel | 1-4 |
| Scottish Open 2021 | 2021/12/08 19:00 | Fergal O'Brien v Gary Wilson | 4-1 |
| Scottish Open 2021 | 2021/12/07 20:00 | Kyren Wilson v Fergal O'Brien | 1-4 |
| UK Championship 2021 | 2021/11/25 09:30 | Joe O'Connor v Fergal O'Brien | 6-4 |