For Glamorgan

410* (410*) SA Northeast v Leicestershire at Leicester (Grace Road), 2022

330* (280* and 50) RG Duckfield v Surrey at The Oval, 1936

321 (34 and 287) DE Davies v Gloucestershire at Rodney Parade, Newport, 1939

313* (313*) DL Lloyd v Derbyshire at Sophia Gardens, Cardiff, 2022

309 (309) SP James v Sussex at Colwyn Bay, 2000

299 (299) MJ Powell v Gloucestershire at Cheltenham College, 2006

292 (187* and 105) A Jones v Somerset at Glastonbury, 1963

288 (132 and 156) A Jones v Yorkshire at Middlesbrough, 1976

282 (214 and 68) MP Maynard v Lancashire at Sophia Gardens, Cardiff, 1996

Against Glamorgan

371 (309* and 62) HD Ackerman for Leicestershire at Sophia Gardens, Cardiff, 2006

367 (210 and 157) MR Hallam for Leicestershire at Leicester (Grace Road), 1959

352 (252 and 100) GA Hick for Worcestershire at Abergavenny, 1990

351 (29 and 322*) MB Loye for Northamptonshire at Northampton, 1998

336 (117 and 219) SA Newman for Surrey at The Oval, 2005