Most consecutive victories against a county

6 v Durham 1999-2004
5 v Somerset 1947-1949
4 v Gloucestershire 1958-1959 and 1969-1970; v Hampshire 1937-1938 and 1946-1948; v Kent 1956-1958

Most consecutive defeats against a county

11 by Middlesex 1974-1984
9 by Yorkshire 1937-1947
7 by Kent 1932-1936; by Nottinghamshire 1928-1930; by Surrey 1977-1982; by Sussex 1921-1925; by Middlesex 1993-1999
6 by Yorkshire 1922-1924
by Warwickshire 2005-2018