Narrowest Margin of Wickets Defeat
| 1 wicket | by Warwickshire | Edgbaston, Birmingham | 1971 | a529 |
| 1 wicket | by Hampshire | County Ground, Southampton | 1974 | a1129 |
| 1 wicket | by Hampshire | Lord's Cricket Ground, St John's Wood | 1981 | a2928 |
| 1 wicket | by Durham | Lord's Cricket Ground, St John's Wood | 1994 | a8693 |
| 1 wicket | by Essex | Lord's Cricket Ground, St John's Wood | 1997 | a10456 |
| 1 wicket | by Durham | Riverside Ground, Chester-le-Street | 2004 | a15995 |
| 1 wicket | by Essex | Lord's Cricket Ground, St John's Wood | 2005 | a16653 |