| 328-4 | Glamorgan v Lancashire | 2011 | a21481 |
| 292-6 | Glamorgan v Leicestershire | 2008 | a19099 |
| 291-5 | Leicestershire v Glamorgan | 2008 | a19099 |
| 285-7 | Glamorgan v Yorkshire | 2013 | a22601 |
| 283-9 | Gloucestershire v Glamorgan | 2007 | a18261 |
| 277-9 | Glamorgan v Gloucestershire | 2007 | a18261 |
| 271-6 | Glamorgan v Durham | 1993 | a8081 |
| 268-7 | Northamptonshire v Glamorgan | 2009 | a19880 |
| 266 | Glamorgan v Lancashire | 2001 | a13635 |
| 262-8 | Glamorgan v Northamptonshire | 2009 | a19880 |
| 259 | Lancashire v Glamorgan | 2011 | a21481 |
| 258-7 | Nottinghamshire v Wales Minor Counties | 1998 | a11263 |
| 257 | Yorkshire v Glamorgan | 2013 | a22601 |
| 254-8 | Lancashire v Unicorns | 2010 | a20743 |
| 253-7 | Unicorns v Lancashire | 2010 | a20743 |