| 1 | 137 | AJ Jones & AW Evans | Wales Minor Counties v Denmark | 2003 | a15280 |
| 2 | 50 | B Singh & M Lund | Denmark v Wales Minor Counties | 2003 | a15280 |
| 3 | 68 | Glamorgan v Northamptonshire | 1982 | a3457 | |
| 4 | 47 | Glamorgan v Northamptonshire | 1982 | a3457 | |
| 5 | 30 | Worcestershire v Glamorgan | 1981 | a2930 | |
| 6 | 38 | Glamorgan v Worcestershire | 1981 | a2930 | |
| 7 | 38 | Glamorgan v Northamptonshire | 1982 | a3457 | |
| 8 | 22 | A Lambert & Umar Farooq | Denmark v Wales Minor Counties | 2003 | a15280 |
| 9 | 31 | Glamorgan v Worcestershire | 1981 | a2930 | |
| 10 | 7 | Glamorgan v Worcestershire | 1981 | a2930 |