Winners' Cup, 29 September 1971 (joint record) Fewest goals conceded in a Champions League group stage campaign: 1, 2005–06 (joint record) Most Champions League games played in the knockout phase by an English club: 74 matches Most Champions League round of 16 appearances by an English club: 17 appearances Most Champions League round of 16 goals scored by an English club: 42 goals Most Champions League round of 16 aggregate wins by an English club: 10 wins Most Champions League quarter-final aggregate wins by an English club: 8 wins Most Champions League semi-finals appearances by an English club: 8 appearances Most consecutive Europa League matches without defeat: 18 matches Only team to score at least 4 goals in a Europa League final Longest unbeaten run in the FA Cup: 29 matches (excluding penalty shoot-outs) See also Chelsea F.C. in international football List of Chelsea F.C. managers References General Specific Chelsea Records and Statistics