Championship   M. W D L goals
  at home 23 10 4 9 27 : 27
  Away 23 9 3 11 33 : 35
  46 19 7 20 60 : 62
FA Cup   M. W D L goals
  Away 1 0 0 1 0 : 1
  1 0 0 1 0 : 1
League Cup   M. W D L goals
  at home 2 1 1 0 2 : 1
  Away 2 1 0 1 5 : 4
  4 2 1 1 7 : 5
overall   M. W D L goals
  at home 25 11 5 9 29 : 28
  Away 26 10 3 13 38 : 40
  Neutral Place 0 0 0 0 0 : 0
  51 21 8 22 67 : 68
Championship
2024/2025 36. Round Watford FC - Millwall FC 1:2 (1:0)
2024/2025 1. Round Millwall FC - Watford FC 2:3 (0:1)
2023/2024 35. Round Millwall FC - Watford FC 1:0 (1:0)
2023/2024 14. Round Watford FC - Millwall FC 2:2 (1:1)
2022/2023 24. Round Watford FC - Millwall FC 0:2 (0:1)
2022/2023 16. Round Millwall FC - Watford FC 3:0 (3:0)
2020/2021 44. Round Watford FC - Millwall FC 1:0 (1:0)
2020/2021 22. Round Millwall FC - Watford FC 0:0 (0:0)
2014/2015 42. Round Millwall FC - Watford FC 0:2 (0:1)
2014/2015 15. Round Watford FC - Millwall FC 3:1 (2:1)
2013/2014 42. Round Millwall FC - Watford FC 2:2 (0:1)
2013/2014 22. Round Watford FC - Millwall FC 4:0 (2:0)
2012/2013 43. Round Millwall FC - Watford FC 1:0 (0:0)
2012/2013 15. Round Watford FC - Millwall FC 0:0 (0:0)
2011/2012 28. Round Millwall FC - Watford FC 0:2 (0:1)
2011/2012 9. Round Watford FC - Millwall FC 2:1 (0:0)
2010/2011 35. Round Watford FC - Millwall FC 1:0 (0:0)
2010/2011 7. Round Millwall FC - Watford FC 1:6 (0:3)
2005/2006 40. Round Watford FC - Millwall FC 0:2 (0:0)
2005/2006 26. Round Millwall FC - Watford FC 0:0 (0:0)
2004/2005 27. Round Watford FC - Millwall FC 1:0 (0:0)
2004/2005 9. Round Millwall FC - Watford FC 0:2 (0:0)
2003/2004 40. Round Millwall FC - Watford FC 1:2 (1:0)
2003/2004 7. Round Watford FC - Millwall FC 3:1 (2:1)
2002/2003 28. Round Millwall FC - Watford FC 4:0 (2:0)
2002/2003 2. Round Watford FC - Millwall FC 0:0 (0:0)
2001/2002 5. Round Millwall FC - Watford FC 1:0 (1:0)
2001/2002 28. Round Watford FC - Millwall FC 1:4 (0:1)
1995/1996 20. Round Millwall FC - Watford FC 1:2
1995/1996 11. Round Watford FC - Millwall FC 0:1
1994/1995 9. Round Watford FC - Millwall FC 1:0
1994/1995 5. Round Millwall FC - Watford FC 2:1
1993/1994 8. Round Watford FC - Millwall FC 2:0
1993/1994 3. Round Millwall FC - Watford FC 4:1
1992/1993 7. Round Millwall FC - Watford FC 5:2
1992/1993 1. Round Watford FC - Millwall FC 3:1
1991/1992 5. Round Millwall FC - Watford FC 0:4
1991/1992 3. Round Watford FC - Millwall FC 0:2
1990/1991 5. Round Millwall FC - Watford FC 0:2
1990/1991 1. Round Watford FC - Millwall FC 1:2
1971/1972 7. Round Watford FC - Millwall FC 0:1
1971/1972 4. Round Millwall FC - Watford FC 3:2
1970/1971 6. Round Watford FC - Millwall FC 0:4
1970/1971 3. Round Millwall FC - Watford FC 3:0
1969/1970 7. Round Watford FC - Millwall FC 1:1
1969/1970 4. Round Millwall FC - Watford FC 1:0
FA Cup
2016/2017 4. Round Millwall FC - Watford FC 1:0 (0:0)
League Cup
1993/1994 2. Round Millwall FC - Watford FC 4:3 (4:3, 0:0) aet
1993/1994 2. Round Watford FC - Millwall FC 0:0 (0:0)
1980/1981 1. Round Millwall FC - Watford FC 0:2
1980/1981 1. Round Watford FC - Millwall FC 2:1

For games that were decided on penalties the score after 120 minutes will be included in the ranking