29 October 2021
Abercwmboi	12	30	Mountain Ash

23 October 2021
Mountain Ash	20	0	Treharris
Match awarded to Mountain Ash

16 October 2021
Mountain Ash	17	13	Abercwmboi
Treharris	24	16	Abercynon

9 October 2021
Abercynon	21	17	Mountain Ash
Aberdare	40	6	Treharris

2 October 2021
Abercwmboi	30	15	Treharris
Abercynon	15	15	Aberdare

25 September 2021
Aberdare	11	10	Abercwmboi
Treharris	20	22	Mountain Ash

18 September 2021
Abercwmboi	29	21	Abercynon
Mountain Ash	32	10	Aberdare

11 September 2021
Mountain Ash	35	10	Abercynon

4 September 2021
Abercynon	41	24	Treharris

28 August 2021
Treharris	20	10	Aberdare

21 August 2021
Aberdare	15	17	Abercynon
Treharris	7	9	Abercwmboi

14 August 2021
Abercwmboi	9	15	Aberdare

7 August 2021
Abercynon	18	10	Abercwmboi
Aberdare	3	28	Mountain Ash

	Teams	P	W	D	L	Pts
	Mountain Ash	8	7	0	1	34
	Abercynon	8	4	1	3	19
	Aberdare	8	3	1	4	16
	Abercwmboi	8	3	0	5	16
	Treharris	8	2	0	6	10