1st wicket – 374 MTG Elliott and SP James v Sussex at Colwyn Bay, 2000
2nd wicket – 328 EJ Byrom and CA Ingram v Sussex at Sophia Gardens, Cardiff, 2022
3rd wicket – 313 DE Davies and WE Jones v Essex at Brentwood, 1948
4th wicket – 425* A Dale and IVA Richards v Middlesex at Sophia Gardens, Cardiff, 1993
5th wicket – 307* KS Carlson and CB Cooke v Northamptonshire at Sophia Gardens, Cardiff, 2021
6th wicket – 461* SA Northeast and CB Cooke v Leicestershire at Leicester (Grace Road), 2022
7th wicket – 211 PA Cottey and OD Gibson v Leicestershire at Swansea, 1996
8th wicket – 202 D Davies and JJ Hills v Sussex at Eastbourne, 1928
9th wicket – 203* JJ Hills and JC Clay v Worcestershire at Swansea, 1929
10th wicket – 143 T Davies and SAB Daniels v Gloucestershire at Swansea, 1982