Face à face
| Gibraltar Open 2019 | 2017/08/16 11:30 | Fergal O'Brien v King, Mark | 5-3 |
| Gibraltar Open 2019 | 2016/11/17 12:00 | Fergal O'Brien v King, Mark | 0-4 |
Home History
| Championnat de la ligue de Snooker | 2022/07/13 12:50 | King, Mark v Bingyu, Chang | 0-3 |
| World Championship Qual 2022 | 2022/04/09 18:30 | King, Mark v Michael White | 1-6 |
| Gibraltar Open 2022 | 2022/03/24 10:40 | Gary Wilson v King, Mark | 4-2 |
| Welsh Open Qualifiers 2022 | 2022/02/16 19:30 | King, Mark v Liam Highfield | 3-4 |
| Turkish Masters Qualifiers 2022 | 2022/02/02 10:00 | King, Mark v Zak Surety | 1-5 |
| Snooker Shoot-Out 2022 | 2022/01/22 16:45 | Mark Williams v King, Mark | 1-0 |
| Snooker Shoot-Out 2022 | 2022/01/21 21:00 | King, Mark v Graeme Dott | 1-0 |
| World Grand Prix 2021 | 2021/12/13 19:00 | Bingtao, Yan v King, Mark | 4-1 |
Away History
| Championnat de la ligue de Snooker | 2022/07/13 11:00 | Zhou Yuelong v Fergal O'Brien | 2-2 |
| World Championship Qual 2022 | 2022/04/07 08:30 | Fergal O'Brien v Liam Davies | 5-6 |
| Gibraltar Open 2022 | 2022/03/25 10:40 | Mann, Mitchell v Fergal O'Brien | 4-3 |
| Welsh Open 2022 | 2022/03/02 19:05 | Jimmy Robertson v Fergal O'Brien | 4-2 |
| Welsh Open 2022 | 2022/03/01 19:05 | Thepchaiya Un-Nooh v Fergal O'Brien | 3-4 |
| 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 |