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| Mon 4 Sep 2017 | Round 1 | OS | |||
| Pentyrch 'A' | Pontypridd Phoenix | ||||
| 1 | DEFAULT | 0 | 1 | John Waterfield | |
| 2 | Robert Taylor | 0 | 1 | Mark Smith | |
| 3 | Will Harwood | 0 | 1 | Roy Thomas | |
| 4 | Steve Lindsay | 1 | 0 | Andrew Jeanes | |
| 5 | Richard Livermore | 0.5 | 0.5 | Ryan Emmett | 1.5 | 3.5 |
| Mon 18 Sep 2017 | Round 2 | OS | |||
| Barry Camelots | Pentyrch 'A' | ||||
| 1 | Sam Jukes | 0 | 1 | John McGregor | |
| 2 | Tom Cook | 0 | 1 | Will Harwood | |
| 3 | Ken Hannah | 0.5 | 0.5 | Viv Martin | |
| 4 | John Stephenson | 0 | 1 | Mike Maguire | |
| 5 | Stephen Bonutto | 1 | 0 | Nadi Grewal | 1.5 | 3.5 |
| Mon 25 Sep 2017 | Round 3 | OS | |||
| Pentyrch 'A' | Cardiff AJs | ||||
| 1 | Robert Taylor | 0 | 1 | Ed Donovan | |
| 2 | John McGregor | 1 | 0 | Jeff Rowland | |
| 3 | Will Harwood | 1 | 0 | Michael Arribas-Ayllon | |
| 4 | Steve Lindsay | 1 | 0 | Gavin Jones | |
| 5 | Richard Livermore | 0.5 | 0.5 | Gruff Jones | 3.5 | 1.5 |
| Tue 10 Oct 2017 | Round 4 | OS | |||
| Nelson Rhinos | Pentyrch 'A' | ||||
| 1 | Jonathan James | 0.5 | 0.5 | John McGregor | |
| 2 | Steve Christmas | 1 | 0 | Will Harwood | |
| 3 | Dave Rovanetti | 0 | 1 | Steve Lindsay | |
| 4 | Jeremy Jones | 0.5 | 0.5 | Mike Maguire | |
| 5 | John Cox | 0 | 1 | Matthew Lunnon | 2.0 | 3.0 |
| Withdrawn | Round 5 | OS | |||
| Pentyrch 'A' | |||||
| 1 | ? | 0 | 1 | ?? | |
| 2 | ? | 0 | 1 | ?? | |
| 3 | ? | 0 | 1 | ?? | |
| 4 | ? | 0 | 1 | ?? | |
| 5 | ? | 0 | 1 | ?? | 0.0 | 5.0 |
| Tue 31 Oct 2017 | Round 6 | OS | |||
| Cardiff Crowns | Pentyrch 'A' | ||||
| 1 | Ed Donovan | 0 | 1 | Robert Taylor | |
| 2 | Jake Hurley | 1 | 0 | Will Harwood | |
| 3 | Jeff Rowland | 0 | 1 | Steve Lindsay | |
| 4 | Ed Mason | 0 | 1 | Mike Maguire | |
| 5 | Rajeeth Luxman | 0.5 | 0.5 | Matthew Lunnon | 1.5 | 3.5 |
| Mon 13 Nov 2017 | Round 7 | OS | |||
| Pentyrch 'A' | Barry Quarks | ||||
| 1 | Robert Taylor | 1 | 0 | Chris Green | |
| 2 | John McGregor | 0.5 | 0.5 | John Ryles | |
| 3 | Steve Lindsay | 1 | 0 | Sam White | |
| 4 | Will Harwood | 1 | 0 | Michael O'Leary | |
| 5 | Richard Livermore | 1 | 0 | Martin Ricketts | 4.5 | 0.5 |
| Mon 26 Feb 2018 | Round 8 | OS | |||
| Pentyrch 'A' | Penarth Pirates | ||||
| 1 | Robert Taylor | 1 | 0 | David Cleverly | |
| 2 | Steve Lindsay | 1 | 0 | Mike Servini | |
| 3 | Will Harwood | 0.5 | 0.5 | Sam Warburton | |
| 4 | Richard Livermore | 1 | 0 | Tom Bennett | |
| 5 | Matthew Lunnon | 1 | 0 | Default | 4.5 | 0.5 |
| Mon 11 Dec 2017 | Round 9 | OS | |||
| Caerphilly Castles | Pentyrch 'A' | ||||
| 1 | John D Thornton | 1 | 0 | Robert Taylor | |
| 2 | Alun Howell | 0.5 | 0.5 | John McGregor | |
| 3 | Justin Morgans | 1 | 0 | Steve Lindsay | |
| 4 | Richard Larg | 0 | 1 | Will Harwood | |
| 5 | Clive Silver | 0.5 | 0.5 | Richard Livermore | 3.0 | 2.0 |
| Mon 8 Jan 2018 | Round 10 | OS | |||
| Pontypridd Phoenix | Pentyrch 'A' | ||||
| 1 | Dai James | 0.5 | 0.5 | Steve Lindsay | |
| 2 | Roy Thomas | 0.5 | 0.5 | Will Harwood | |
| 3 | Anrew James | 0.5 | 0.5 | Viv Martin | |
| 4 | Ryan Emmett | 1 | 0 | Matthew Lunnon | |
| 5 | Roger Phillips | 0.5 | 0.5 | Mike Maguire | 3.0 | 2.0 |
| Mon 22 Jan 2018 | Round 11 | OS | |||
| Pentyrch 'A' | Barry Camelots | ||||
| 1 | Robert Taylor | 1 | 0 | Sam Jukes | |
| 2 | John McGregor | 1 | 0 | Mark Cooke | |
| 3 | Steve Lindsay | 0.5 | 0.5 | Chris Green | |
| 4 | Will Harwood | 1 | 0 | John Stephenson | |
| 5 | Richard Livermore | 0 | 1 | Stephen Bonutto | 3.5 | 1.5 |
| Wed 7 Feb 2018 | Round 12 | OS | |||
| Cardiff AJs | Pentyrch 'A' | ||||
| 1 | Bill Hunt | 1 | 0 | John McGregor | |
| 2 | Ed Donovan | 0 | 1 | Steve Lindsay | |
| 3 | Bill Harle | 0 | 1 | Will Harwood | |
| 4 | Michael Arribas-Ayllon | 0.5 | 0.5 | Richard Livermore | |
| 5 | Gruff Jones | 0 | 1 | Matthew Lunnon | 1.5 | 3.5 |
| Mon 19 Feb 2018 | Round 13 | OS | |||
| Pentyrch 'A' | Nelson Rhinos | ||||
| 1 | Robert Taylor | 0 | 1 | Steve Christmas | |
| 2 | John McGregor | 0.5 | 0.5 | David Rovaretti | |
| 3 | Steve Lindsay | 0.5 | 0.5 | Jeremy Jones | |
| 4 | Will Harwood | 1 | 0 | John Cox | |
| 5 | Richard Livermore | 1 | 0 | Rosie Christmas | 3.0 | 2.0 |
| Mon 06 Mar 2017 | Round 14 | OS | |||
| Withdrawn | Pentyrch 'A' | ||||
| 1 | ? | 0 | 1 | ?? | |
| 2 | ? | 0 | 1 | ?? | |
| 3 | ? | 0 | 1 | ?? | |
| 4 | ? | 0 | 1 | ?? | |
| 5 | ? | 0 | 1 | ?? | 0.0 | 5.0 |
| Mon 30 Apr 2018 | Round 15 | OS | |||
| Pentyrch 'A' | Cardiff Crowns | ||||
| 1 | John McGregor | 0.5 | 0.5 | Gareth Jones | |
| 2 | Steve Lindsay | 1 | 0 | Edward Mason | |
| 3 | Will Harwood | 1 | 0 | Aled George | |
| 4 | Richard Livermore | 0.5 | 0.5 | Chris Hooper | |
| 5 | Matthew Lunnon | 0 | 1 | Phil Buttle | 3.0 | 2.0 |
| Mon 26 Mar 2018 | Round 16 | OS | |||
| Barry Quarks | Pentyrch 'A' | ||||
| 1 | Jonathan Thomas | 1 | 0 | Robert Taylor | |
| 2 | Sam White | 0.5 | 0.5 | Will Harwood | |
| 3 | Michael O'Leary | 0 | 1 | Richard Livermore | |
| 4 | Peter Watkins | 0 | 1 | Matthew Lunnon | |
| 5 | Scott Turner | 1 | 0 | Nadi Grewal | 2.5 | 2.5 |
| Mon 16 Apr 2018 | Round 17 | OS | |||
| Penarth Pirates | Pentyrch 'A' | ||||
| 1 | Ben Thomas | 1 | 0 | Steve Lindsay | |
| 2 | David Cleverly | 1 | 0 | Will Harwood | |
| 3 | Mike Servini | 0.5 | 0.5 | Richard Livermore | |
| 4 | Sam Warburton | 0.5 | 0.5 | Mike Maguire | |
| 5 | Aishwarya Singh | 1 | 0 | Nadi Grewal | 4.0 | 1.0 |
| Mon 19 Mar 2018 | Round 18 | OS | |||
| Pentyrch 'A' | Caerphilly Castles | ||||
| 1 | Robert Taylor | 1 | 0 | Zane Allford | |
| 2 | John McGregor | 0.5 | 0.5 | Justin Morgans | |
| 3 | Steve Lindsay | 1 | 0 | Alun Howell | |
| 4 | Will Harwood | 1 | 0 | Leon Jansen van Rensburgh | |
| 5 | Richard Livermore | 0.5 | 0.5 | Richard Larg | 4.0 | 1.0 |