Last 7....

18 Apr 2015 Cardiff City v Millwall D 0-0 League Championship
28 Oct 2017 Cardiff City v Millwall D 0-0 League Championship
09 Feb 2018 Millwall v Cardiff City D 1-1 League Championship
22 Oct 2019 Millwall v Cardiff City D 2-2 League Championship
26 Dec 2019 Cardiff City v Millwall D 1-1 League Championship
21 Nov 2020 Millwall v Cardiff City D 1-1 League Championship
30 Jan 2021 Cardiff City v Millwall D 1-1 League Championship