Head to Head
| Challenge Cup | 2021/07/17 14:00 | St Helens v Castleford | W | 26-12 |
| Super League | 2020/08/16 15:15 | St Helens v Castleford | W | 10-0 |
| Super League | 2020/03/15 15:30 | Castleford v St Helens | L | 28-14 |
| Super League | 2019/08/30 18:45 | St Helens v Castleford | W | 4-0 |
| Super League | 2019/05/26 17:00 | St Helens v Castleford | W | 36-16 |
| Super League | 2019/03/22 19:45 | Castleford v St Helens | W | 12-42 |
| Super 8s Super League | 2018/09/28 18:45 | St Helens v Castleford | W | 26-0 |
| Super League | 2018/05/24 18:45 | Castleford v St Helens | W | 18-40 |
Home History
| Super League | 2021/08/07 13:30 | St Helens v Catalan Dragons | W | 34-12 |
| Super League | 2021/08/02 18:45 | Hull FC v St Helens | W | 10-42 |
| Challenge Cup | 2021/07/17 14:00 | St Helens v Castleford | W | 26-12 |
| Super League | 2021/07/09 18:45 | Wakefield v St Helens | W | 14-30 |
| Super League | 2021/07/04 18:30 | St Helens v Wigan | W | 24-6 |
| Super League | 2021/06/17 18:45 | St Helens v Warrington | L | 2-6 |
| Challenge Cup | 2021/06/05 13:30 | Hull FC v St Helens | W | 18-33 |
| Super League | 2021/05/28 18:45 | St Helens v Hull FC | W | 34-16 |
Away History
| Super League | 2021/08/06 18:45 | Leeds v Castleford | W | 18-32 |
| Super League | 2021/08/02 18:45 | Castleford v Huddersfield | L | 16-34 |
| Challenge Cup | 2021/07/17 14:00 | St Helens v Castleford | L | 26-12 |
| Super League | 2021/07/11 14:30 | Castleford v Salford | L | 18-70 |
| Super League | 2021/06/24 18:45 | Castleford v Catalan Dragons | L | 6-16 |
| Super League | 2021/06/16 18:45 | Wakefield v Castleford | W | 12-18 |
| Super League | 2021/06/10 18:45 | Castleford v Hull FC | L | 12-30 |
| Challenge Cup | 2021/06/05 16:00 | Castleford v Warrington | W | 35-20 |