Previous Winners - MWBA Open Fours
| 1962 | Talgarth | 1963 | Brecon |
| 1964 | Llandrindod | 1965 | Talgarth |
| 1966 | Talgarth | 1967 | Talgarth |
| 1968 | Talgarth | 1969 | Llandrindod |
| 1970 | Builth Wells | 1971 | Talgarth |
| 1972 | Talgarth | 1973 | Talgarth |
| 1974 | Talgarth | 1975 | Rhayader |
| 1976 | Llandrindod | 1977 | Rhayader |
| 1978 | Knighton | 1979 | Rhayader |
| 1980 | Llandrindod | 1981 | Builth Wells |
| 1982 | Builth Wells | 1983 | Llandrindod |
| 1984 | Presteigne | 1985 | Presteigne |
| 1986 | Talgarth | 1987 | Brecon |
| 1988 | Brecon | 1989 | Presteigne |
| 1990 | Llandrindod | 1991 | Llandovery |
| 1992 | Presteigne | 1993 | Presteigne |
| 1994 | Builth Wells | 1995 | Brecon |
| 1996 | Presteigne | 1997 | Presteigne |
| 1998 | J Griffiths, G Morgan, G Evans, T Ardelino Llandovery |
1999 | I Butler, A Stephens, M Stephens, K Stephens Llandrindod |
| 2000 | B Weale, S Weale, D Weale, R Weale Presteigne |
2001 | B Weale, S Weale, D Weale, R Weale Presteigne |
| 2002 | W Lister, R Boulton, W Weale, G Wills Presteigne |
2003 | B Weale, S Weale, D Weale, R Weale Presteigne |
| 2004 | B Weale, S Weale, D Weale, R Weale Presteigne |
2005 | B Weale, S Weale, D Weale, R Weale Presteigne |
| 2006 | B Weale, S Weale, D Weale, R Weale Presteigne |
2007 | W Lister, T Gummer, G Moorhouse, G Wills Presteigne |
| 2008 | C Martin, R Price, N Price, K Price Llandrindod |
2009 | B Weale, S Weale, D Weale, R Weale Presteigne |
| 2010 | B Weale, S Weale, D Weale, R Weale Presteigne |
2011 | B Weale, S Weale, D Weale, R Weale Presteigne |
| 2012 | B Weale, S Weale, D Weale, R Weale Presteigne |
2013 | S Smith, D Gorman, M Smith, T Gummer Presteigne |
| 2014 | B Weale, S Weale, D Weale, R Weale Presteigne |
2015 | B Weale, S Weale, D Weale, R Weale Presteigne |
| 2016 | B Weale, S Weale, D Weale, R Weale Presteigne |
2017 | M Weiland, M Smith, G Wills, R Weale Presteigne |
| 2018 | E Jelfs, K Stephens, S Roff, L Harwood Llandrindod |
2019 | E Jelfs, A Morris, L Harwood, R Atkins Llandrindod |
| 2020 | Not played | 2021 | E Jelfs, A Morris, L Harwood, S Roff Llandrindod |
| 2022 | E Jelfs, F Price, A Morris, S Roff Llandrindod |
2023 | A Bates, R Wall, K Stephens, R Davies Builth Wells |