| 718-3d | Glamorgan v Sussex | Penrhyn Avenue, Rhos-on-Sea, Colwyn Bay | 2000 | f45246 |
| 702-8d | Glamorgan v Surrey | The Brit Oval, Kennington | 2009 | f51752 |
| 648-4d | Glamorgan v Nottinghamshire | Penrhyn Avenue, Rhos-on-Sea, Colwyn Bay | 1999 | f44524 |
| 647-7d | Glamorgan v Gloucestershire | College Ground, Cheltenham | 2006 | f49461 |
| 615-7d | Glamorgan v Gloucestershire | County Ground, Bristol | 2014 | f55678 |
| 597-8d | Glamorgan v Durham | Sophia Gardens, Cardiff | 1997 | f43091 |
| 597 | Glamorgan v Gloucestershire | Sophia Gardens, Cardiff | 2006 | f49522 |
| 587-8d | Glamorgan v Derbyshire | Cardiff Arms Park, Cardiff | 1951 | f19143 |
| 587 | Glamorgan v Essex | County Ground, Chelmsford | 2004 | f48108 |
| 586-5d | Glamorgan v Essex | Old County Ground, Brentwood | 1948 | f17955 |
| 584-3d | Glamorgan v Middlesex | John Walker's Ground, Southgate | 2005 | f48715 |
| 583-9d | Glamorgan v Gloucestershire | The SWALEC Stadium, Cardiff | 2010 | f52430 |
| 577-4 | Glamorgan v Gloucestershire | Rodney Parade, Newport | 1939 | f16499 |
| 575 | Glamorgan v Essex | County Ground, Chelmsford | 2002 | f46697 |
| 574-7 | Glamorgan v Somerset | Rodney Parade, Newport | 1939 | f16526 |
| 566-7d | Glamorgan v Oxford University Centre of Cricketing Excellence | The University Parks, Oxford | 2007 | f50020 |
| 566 | Glamorgan v Leicestershire | Penrhyn Avenue, Rhos-on-Sea, Colwyn Bay | 2009 | f51679 |
| 563 | Glamorgan v Northamptonshire | County Ground, Northampton | 1998 | f43715 |
| 562-3d | Glamorgan v Middlesex | Sophia Gardens, Cardiff | 1993 | f40578 |
| 558-9d | Glamorgan v Leicestershire | The SWALEC Stadium, Cardiff | 2012 | f54054 |
| 556-7d | Glamorgan v Northamptonshire | Sophia Gardens, Cardiff | 2001 | f45914 |
| 551-3d | Glamorgan v Warwickshire | Sophia Gardens, Cardiff | 1997 | f43043 |
| 550-6d | Glamorgan v Surrey | Kennington Oval, Kennington | 1936 | f15375 |
| 548-6d | Glamorgan v Northamptonshire | County Ground, Northampton | 2001 | f45799 |
| 547-6d | Glamorgan v Northamptonshire | St Helen's, Swansea | 1933 | f14231 |
| 546-8d | Glamorgan v Essex | Sophia Gardens, Cardiff | 2001 | f45981 |
| 544 | Glamorgan v Kent | St Lawrence Ground, Canterbury | 1999 | f44448 |
| 543-8d | Glamorgan v Somerset | Sophia Gardens, Cardiff | 1988 | f37499 |
| 533 | Glamorgan v Somerset | St Helen's, Swansea | 1994 | f41197 |
| 533-7d | Glamorgan v Cardiff Marylebone Cricket Club University | The SSE SWALEC Stadium, Cardiff | 2016 | f57084 |
| 528-7d | Glamorgan v Northamptonshire | Sophia Gardens, Cardiff | 2002 | f46762 |
| 527 | Glamorgan v Somerset | County Ground, Taunton | 1997 | f43251 |
| 527 | Glamorgan v Kent | The SWALEC Stadium, Cardiff | 2014 | f55671 |
| 526-9d | Glamorgan v Gloucestershire | County Ground, Bristol | 2018 | f58644 |
| 524-9 | Glamorgan v Warwickshire | Edgbaston, Birmingham | 1980 | f33216 |
| 522 | Glamorgan v Middlesex | Lord's Cricket Ground, St John's Wood | 2011 | f53240 |
| 518 | Glamorgan v Derbyshire | Penrhyn Avenue, Rhos-on-Sea, Colwyn Bay | 2016 | f57178 |
| 515-9d | Glamorgan v Essex | The Ford County Ground, Chelmsford | 2009 | f51641 |
| 514-9d | Glamorgan v Gloucestershire | Pen-y-Pound, Abergavenny | 1991 | f39499 |
| 513-9d | Glamorgan v Leicestershire | Grace Road, Leicester | 2015 | f56347 |
| 509-3d | Glamorgan v Gloucestershire | The Royal and Sun Alliance County Ground, Bristol | 1996 | f42485 |
| 508-9d | Glamorgan v Leicestershire | St Helen's, Swansea | 2013 | f54929 |
| 507-9d | Glamorgan v Essex | Southchurch Park, Southend-on-Sea | 2000 | f45251 |
| 506-8d | Glamorgan v Worcestershire | St Helen's, Swansea | 1929 | f12825 |
| 505 | Glamorgan v Lancashire | Sophia Gardens, Cardiff | 1996 | f42510 |
| 505 | Glamorgan v Middlesex | Lord's Cricket Ground, St John's Wood | 2009 | f51574 |
| 504 | Glamorgan v Hampshire | County Ground, Southampton | 1991 | f39525 |
| 502 | Glamorgan v Nottinghamshire | Cardiff Arms Park, Cardiff | 1932 | f14054 |
| 501-8d | Glamorgan v Nottinghamshire | St Helen's, Swansea | 1939 | f16505 |
| 500 | Glamorgan v Warwickshire | St Helen's, Swansea | 1930 | f13163 |
