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| Thu 08 Sep 2011 | Round 1 | OS | |||
| Cardiff AJs | Pentyrch 'A' | ||||
| 1 | D Roberts | 0.5 | 0.5 | J McGregor | |
| 2 | A Bullen | 0 | 1 | D Lewis | |
| 3 | A Wills | 1 | 0 | W Harwood | |
| 4 | V Varma | 1 | 0 | C J Ley | |
| 5 | D Thompson | 0 | 1 | M Maguire | 2.5 | 2.5 |
| Mon 12 Sep 2011 | Round 2 | OS | |||
| Pentyrch 'A' | North Cardiff Woodpushers | ||||
| 1 | J McGregor | 1 | 0 | J Stewart | |
| 2 | D Lewis | 0.5 | 0.5 | R Dineen | |
| 3 | S Lindsay | 0.5 | 0.5 | D Hambrook | |
| 4 | W Harwood | 0.5 | 0.5 | P Slater | |
| 5 | C J Ley | 0 | 1 | S Blackmore | 2.5 | 2.5 |
| Mon 26 Sep 2011 | Round 3 | OS | |||
| Nelson Rhinos | Pentyrch 'A' | ||||
| 1 | S Christmas | 0.5 | 0.5 | J McGregor | |
| 2 | J Jones | 1 | 0 | S Lindsay | |
| 3 | J Cox | 0 | 1 | W Harwood | |
| 4 | K Forward | 0 | 1 | C J Ley | |
| 5 | B Miles | 0 | 1 | M Maguire | 1.5 | 3.5 |
| Mon 10 Oct 2011 | Round 4 | OS | |||
| Caerphilly Castles | Pentyrch 'A' | ||||
| 1 | D Perrett | 1 | 0 | J McGregor | |
| 2 | G Cantello | 0.5 | 0.5 | D Lewis | |
| 3 | R Gough | 0.5 | 0.5 | S Lindsay | |
| 4 | A Howell | 0 | 1 | W Harwood | |
| 5 | J Morgans | 0 | 1 | C J Ley | 2.0 | 3.0 |
| Tue 31 Oct 2011 | Round 5 | OS | |||
| Pentyrch 'A' | Pontypridd Barbarians | ||||
| 1 | J McGregor | 0 | 1 | M Adams | |
| 2 | D Lewis | 1 | 0 | D James | |
| 3 | S Lindsay | 0.5 | 0.5 | R Thomas | |
| 4 | W Harwood | 1 | 0 | R Jenkins | |
| 5 | M Maguire | 1 | 0 | P Warden | 3.5 | 1.5 |
| Thu 10 Nov 2011 | Round 6 | OS | |||
| Bridgend Borg | Pentyrch 'A' | ||||
| 1 | M Cleaves | 0.5 | 0.5 | J McGregor | |
| 2 | M Jones | 1 | 0 | D Lewis | |
| 3 | A Baker | 0.5 | 0.5 | W Harwood | |
| 4 | M Kearn | 0 | 1 | C J Ley | |
| 5 | R Rees | 1 | 0 | M Maguire | 3.0 | 2.0 |
| Mon 28 Nov 2011 | Round 7 | OS | |||
| Pentyrch 'A' | Penarth Piers | ||||
| 1 | D Lewis | 0.5 | 0.5 | S Cronick | |
| 2 | S Lindsay | 1 | 0 | E Chwieseni | |
| 3 | W Harwood | 1 | 0 | R Dodington | |
| 4 | C J Ley | 0 | 1 | B Thomas | |
| 5 | M Maguire | 1 | 0 | Jimmy Borg | 3.5 | 1.5 |
| Mon 05 Dec 2011 | Round 8 | OS | |||
| Pentyrch 'A' | Cardiff Dragons | ||||
| 1 | J McGregor | 1 | 0 | D Thompson | |
| 2 | D Lewis | 1 | 0 | M Arribas-Ayllon | |
| 3 | S Lindsay | 1 | 0 | P Keenan | |
| 4 | W Harwood | 0.5 | 0.5 | S Herkes | |
| 5 | C J Ley | 0.5 | 0.5 | F Trombley | 4.0 | 1.0 |
| Mon 09 Jan 2012 | Round 9 | OS | |||
| Penarth Pirates | Pentyrch 'A' | ||||
| 1 | R Dodington | 1 | 0 | J McGregor | |
| 2 | E Chwieseni | 0 | 1 | D Lewis | |
| 3 | B Thomas | 0 | 1 | S Lindsay | |
| 4 | M Servini | 0 | 1 | W Harwood | |
| 5 | T Gutteridge | 0.5 | 0.5 | C J Ley | 1.5 | 3.5 |
| Mon 23 Jan 2012 | Round 10 | OS | |||
| Pentyrch 'A' | Cardiff AJs | ||||
| 1 | J McGregor | 1 | 0 | G Wagner | |
| 2 | D Lewis | 1 | 0 | M Janas | |
| 3 | W Harwood | 0.5 | 0.5 | A Wills | |
| 4 | M Maguire | 0.5 | 0.5 | R Steele | |
| 5 | V M Martin | 0 | 1 | V Varma | 3.0 | 2.0 |
| Tue 07 Feb 2012 | Round 11 | OS | |||
| North Cardiff Woodpushers | Pentyrch 'A' | ||||
| 1 | R Dineen | 0.5 | 0.5 | J McGregor | |
| 2 | D Hambrook | 0.5 | 0.5 | D Lewis | |
| 3 | V Williams | 0 | 1 | S Lindsay | |
| 4 | P Slater | 0.5 | 0.5 | W Harwood | |
| 5 | R Reid | 1 | 0 | C J Ley | 2.5 | 2.5 |
| Mon 20 Feb 2012 | Round 12 | OS | |||
| Pentyrch 'A' | Nelson Rhinos | ||||
| 1 | J McGregor | 0.5 | 0.5 | S Christmas | |
| 2 | D Lewis | 0.5 | 0.5 | D Vaughan | |
| 3 | S Lindsay | 0 | 1 | G Harley-Yeo | |
| 4 | W Harwood | 0 | 1 | P Bridges | |
| 5 | C J Ley | 0 | 1 | J Jones | 1.0 | 4.0 |
| Mon 27 Feb 2012 | Round 13 | OS | |||
| Pentyrch 'A' | Caerphilly Castles | ||||
| 1 | J McGregor | 0 | 1 | D Perrett | |
| 2 | D Lewis | 1 | 0 | R Gough | |
| 3 | S Lindsay | 0 | 1 | A Howell | |
| 4 | W Harwood | 1 | 0 | B Hurn | |
| 5 | M Maguire | 1 | 0 | J Morgans | 3.0 | 2.0 |
| Wed 14 Mar 2012 | Round 14 | OS | |||
| Pontypridd Barbarians | Pentyrch 'A' | ||||
| 1 | M Adams | 1 | 0 | D Lewis | |
| 2 | D James | 1 | 0 | S Lindsay | |
| 3 | R Thomas | 0 | 1 | W Harwood | |
| 4 | C Harris | 0.5 | 0.5 | C J Ley | |
| 5 | R Jenkins | 0.5 | 0.5 | M Maguire | 3.0 | 2.0 |
| Mon 19 Mar 2012 | Round 15 | OS | |||
| Pentyrch 'A' | Bridgend Borg | ||||
| 1 | J McGregor | 0 | 1 | C Howells | |
| 2 | D Lewis | 1 | 0 | N Stuart | |
| 3 | W Harwood | 0 | 1 | M Jones | |
| 4 | C J Ley | 0 | 1 | M Kearn | |
| 5 | M Maguire | 1 | 0 | K Wardle | 2.0 | 3.0 |
| Mon 02 Apr 2012 | Round 16 | OS | |||
| Penarth Piers | Pentyrch 'A' | ||||
| 1 | E Chwieseni | 0 | 1 | J McGregor | |
| 2 | B Thomas | 1 | 0 | D Lewis | |
| 3 | M Servini | 0 | 1 | S Lindsay | |
| 4 | S Warburton | 0 | 1 | W Harwood | |
| 5 | Jimmy Borg | 0.5 | 0.5 | C J Ley | 1.5 | 3.5 |
| Mon 30 Apr 2012 | Round 17 | OS | |||
| Pentyrch 'A' | Penarth Pirates | ||||
| 1 | J McGregor | 0 | 1 | D Sully | |
| 2 | D Lewis | 1 | 0 | J Thomas | |
| 3 | S Lindsay | 0 | 1 | B Thomas | |
| 4 | W Harwood | 1 | 0 | M Servini | |
| 5 | C J Ley | 0.5 | 0.5 | T Gutteridge | 2.5 | 2.5 |
| Thu 19 Apr 2012 | Round 18 | OS | |||
| Cardiff Dragons | Pentyrch 'A' | ||||
| 1 | D O'Donnell | 0.5 | 0.5 | J McGregor | |
| 2 | M Edwards | 0 | 1 | D Lewis | |
| 3 | P Keenan | 0 | 1 | S Lindsay | |
| 4 | F Trombley | 1 | 0 | C J Ley | |
| 5 | A Tsang | 0 | 1 | V M Martin | 1.5 | 3.5 |