Largest Margin of Runs Defeat

249 runs	by Somerset	County Ground, Taunton	2010	a20758
220 runs	by Somerset	The Gnoll, Neath	1990	a6657
186 runs	by Hampshire	St Helen's, Swansea	2016	a24848
180 runs	by Essex	Sophia Gardens, Cardiff	2019	a27267
178 runs	by Worcestershire	County Ground, New Road, Worcester	2010	a20723
170 runs	by Somerset	The SSE SWALEC Stadium, Cardiff	2017	a25533
165 runs	by Warwickshire	St Helen's, Swansea	1966	a69
165 runs	by Hampshire	The Rose Bowl, Southampton	2006	a17498
164 runs	by Hampshire	County Ground, Southampton	1975	a1477
163 runs	by Essex	County Ground, Chelmsford	2004	a16124
160 runs	by Derbyshire	St Helen's, Swansea	1979	a2532
159 runs	by Lancashire	Old Trafford, Manchester	1973	a948
156 runs	by Hampshire	St Helen's, Swansea	1983	a3764
151 runs	by Hampshire	The Rose Bowl, Southampton	2006	a17627
145 runs	by Essex	County Ground, Chelmsford	2003	a15238
143 runs	by Somerset	Westlands Sports Ground, Yeovil	1977	a1947
143 runs	by Worcestershire	County Ground, New Road, Worcester	1989	a6079
143 runs	by Surrey	The Foster's Oval, Kennington	1999	a11991
141 runs	by Somerset	County Ground, Taunton	1997	a10462
141 runs	by Sri Lanka A	Sophia Gardens, Cardiff	2004	a15980
137 runs	by Hampshire	May's Bounty, Basingstoke	1974	a1280
137 runs	by Hampshire	St Helen's, Swansea	2007	a18248
136 runs	by Gloucestershire	Sophia Gardens, Cardiff	1999	a12054
134 runs	by Lancashire	Stanley Park, Blackpool	1989	a6092
131 runs	by Hampshire	County Ground, Southampton	1998	a11221
130 runs	by Essex	Castle Park Cricket Ground, Colchester	2008	a19126
123 runs	by Pakistan A	Spytty Park, Newport	2016	a24818
120 runs	by Surrey	Kennington Oval, Kennington	1969	a154
120 runs	by Somerset	Morlands Athletic Ground, Glastonbury	1972	a820
119 runs	by Sussex	Central Recreation Ground, Hastings	1982	a3355
116 runs	by Hampshire	County Ground, Southampton	1985	a4405
115 runs	by Leicestershire	Grace Road, Leicester	2007	a18380
113 runs	by Sussex	St Helen's, Swansea	1991	a7044
111 runs	by Middlesex	Sophia Gardens, Cardiff	2005	a16756
109 runs	by Surrey	Sophia Gardens, Cardiff	1970	a351
109 runs	by Lancashire	Sophia Gardens, Cardiff	1970	a406
109 runs	by Leicestershire	Grace Road, Leicester	1979	a2444
109 runs	by Lancashire	Old Trafford, Manchester	2006	a17615
107 runs	by Somerset	Sophia Gardens, Cardiff	2002	a14430
107 runs	by Hampshire	The SWALEC Stadium, Cardiff	2012	a22081
106 runs	by West Indians	St Helen's, Swansea	1976	a1780
104 runs	by Sussex	County Ground, Hove	1980	a2742
103 runs	by Worcestershire	The SWALEC Stadium, Cardiff	2008	a19171
103 runs	by Essex	The Cloud County Ground, Chelmsford	2022	a29370