Football League Cup 2023/24, First Round |
 | 08.08.2023 |  | Stevenage | – | Watford | | 1:1 (1:1),
pen. 4:3 |
| Stevenage |
Football League Cup 2020/21, Second round |
| 15.09.2020 | | Oxford United | – | Watford | | 1:1 (1:0),
pen. 0:3 * |
| Oxford |
Football League Cup 2018/19, Third round |
| 26.09.2018 | | Tottenham Hotspur | – | Watford | | 2:2 (0:0),
pen. 4:2 |
| Milton Keynes |
Football League Cup 2011/12, First Round |
| 23.08.2011 | | Bristol Rovers | – | Watford | | 1:1 aet
(1:1, 1:1),
pen. 4:2 |
| Bristol |
Football League Cup 2006/07, Fourth Round |
| 07.11.2006 | | Watford | – | Newcastle United | | 2:2 aet
(0:1, 1:1),
pen. 4:5 |
| Watford |
Football League Cup 2006/07, Second round |
| 19.09.2006 | | Watford | – | Accrington Stanley | | 0:0 aet,
pen. 6:5 |
| Watford |
Football League Cup 2004/05, Third round |
| 26.10.2004 | | Sheffield United | – | Watford | | 0:0 aet,
pen. 2:4 |
| Sheffield |
Football League Cup 2000/01, First Round |
| 22.08.2000 | | Watford | – | Cheltenham Town | | 0:0 |
| Watford |
Football League Cup 1998/99, First Round |
| 18.08.1998 | | Watford | – | Cambridge United | | 1:1 (0:0) |
| Watford |
Football League Cup 1997/98, Second round |
| 16.09.1997 | | Watford | – | Sheffield United | | 1:1 (0:1) |
| Watford |
Football League Cup 1997/98, First Round |
| 26.08.1997 | | Watford | – | Swindon Town | | 1:1 (1:0) |
| Watford |
Football League Cup 1995/96, Second round |
| 03.10.1995 | | Bournemouth | – | Watford | | 1:1 aet
(0:0, 1:1),
pen. 5:6 |
| Bournemouth |
Football League Cup 1995/96, Second round |
| 19.09.1995 | | Watford | – | Bournemouth | | 1:1 (0:1) |
| Watford |
Football League Cup 1994/95, First Round |
| 16.08.1994 | | Southend United | – | Watford | | 0:0 |
| Southend-on-Sea |
Football League Cup 1993/94, Second round |
| 21.09.1993 | | Watford | – | Millwall | | 0:0 |
| Watford |
Football League Cup 1993/94, First Round |
| 17.08.1993 | | Brentford | – | Watford | | 2:2 (0:1) |
| Brentford |
Football League Cup 1992/93, Second round |
| 22.09.1992 | | Watford | – | Reading | | 2:2 (1:1) |
| Watford |
Football League Cup 1991/92, First Round |
| 28.08.1991 | | Southend United | – | Watford | | 1:1 (1:1) |
| Southend-on-Sea |
Football League Cup 1989/90, Second round |
| 03.10.1989 | | Watford | – | Bolton Wanderers | | 1:1 |
| Watford |
Football League Cup 1988/89, Second round |
| 11.10.1988 | | Watford | – | Leicester City | | 2:2 |
| Watford |
Football League Cup 1987/88, Third round |
| 28.10.1987 | | Swindon Town | – | Watford | | 1:1 |
| Swindon |
Football League Cup 1986/87, Second round |
| 23.09.1986 | | Watford | – | Rochdale | | 1:1 |
| Watford |
Football League Cup 1983/84, Second round |
| 25.10.1983 | | Watford | – | Huddersfield Town | | 2:2 |
| |
Football League Cup 1981/82, Third round |
| 10.11.1981 | | Watford | – | Lincoln City | | 2:2 |
| |
Football League Cup 1980/81, Fifth Round |
| 02.12.1980 | | Watford | – | Coventry City | | 2:2 |
| |
Football League Cup 1978/79, Semifinals |
| 30.01.1979 | | Watford | – | Nottingham Forest | | 0:0 |
| |
Football League Cup 1978/79, Fifth Round |
| 13.12.1978 | | Stoke City | – | Watford | | 0:0 |
| |
Football League Cup 1976/77, First Round |
| 14.08.1976 | | Watford | – | Brentford | | 1:1 |
| |
Football League Cup 1975/76, First Round |
| 27.08.1975 | | Northampton Town | – | Watford | | 1:1 |
| |
Football League Cup 1974/75, First Round |
| 21.08.1974 | | Watford | – | Crystal Palace | | 1:1 |
| |
Football League Cup 1973/74, First Round |
| 29.08.1973 | | Reading | – | Watford | | 2:2 |
| |
Football League Cup 1971/72, Third round |
| 06.10.1971 | | Watford | – | Preston North End | | 1:1 |
| |
Football League Cup 1967/68, First Round |
| 29.08.1967 | | Watford | – | Bournemouth & Boscombe Athletic | | 0:0 * |
| |
Football League Cup 1967/68, First Round |
| 22.08.1967 | | Bournemouth & Boscombe Athletic | – | Watford | | 1:1 |
| |
Football League Cup 1966/67, First Round |
| 23.08.1966 | | Watford | – | Reading | | 1:1 |
| |
Football League Cup 1964/65, Second round |
| 22.09.1964 | | Watford | – | Portsmouth | | 2:2 |
| |
Football League Cup 1961/62, Third round |
| 21.11.1961 | | Watford | – | York City | | 2:2 aet * |
| |
Football League Cup 1961/62, Third round |
| 15.11.1961 | | York City | – | Watford | | 1:1 |
| |
