Head to Head
| World Cup of Darts 2019 | 2019/06/09 13:10 | William O'Connor v Mensur Suljovic | 0-4 |
| BDO World Championship 2019 | 2018/07/01 18:45 | Mensur Suljovic v William O'Connor | 3-6 |
| BDO World Championship 2019 | 2017/09/23 19:45 | Mensur Suljovic v William O'Connor | 6-3 |