| BDO Campeonato del Mundo - Femenino 2020 | 2020/01/06 20:35 | Mikuru Suzuki v Maria O'Brien | 2-1 |
| BDO World Trophy - Femenino 2019 | 2019/09/01 11:00 | Maria O'Brien v Anastasia Dobromyslova | 1-4 |
| BDO World Trophy - Femenino 2019 | 2019/08/31 20:00 | Deta Hedman v Maria O'Brien | 3-4 |
| BDO Campeonato del Mundo 2019 | 2019/01/11 15:00 | Maria O'Brien v Mikuru Suzuki | 0-2 |
| BDO Campeonato del Mundo 2019 | 2019/01/10 14:45 | Maria O'Brien v Fallon Sherrock | 2-0 |
| BDO Campeonato del Mundo 2019 | 2019/01/06 15:15 | Deta Hedman v Maria O'Brien | 0-2 |
| BDO Campeonato del Mundo 2019 | 2018/06/02 13:25 | Maria O'Brien v Fallon Sherrock | 3-4 |
| BDO Campeonato del Mundo 2019 | 2018/05/30 21:00 | Aileen De Graaf v Maria O'Brien | 3-4 |
| WDF World Championship Women 2022 | 2022/04/02 15:50 | Amanda Harwood v Marjolein Noijens | 1-2 |