UEFA Champions League 2021/22, Second qualifying round |
 | 28.07.2021 | | Neftçi | – | Olympiakós | | 0:1 (0:1) |
| Bakı |
UEFA Champions League 2021/22, Second qualifying round |
| 21.07.2021 | | Olympiakós | – | Neftçi | | 1:0 (1:0) |
| Piraeus |
UEFA Champions League 2020/21, Group C |
| 21.10.2020 | | Olympiakós | – | Marseille | | 1:0 (0:0) * |
| Piraeus |
UEFA Champions League 2020/21, Play-off Round |
| 23.09.2020 | | Olympiakós Pireus | – | Omonia | | 2:0 (0:0) * |
| Piraeus |
UEFA Champions League 2019/20, Group B |
| 11.12.2019 | | Olympiakós | – | Crvena Zvezda | | 1:0 (0:0) |
| Piraeus |
UEFA Champions League 2019/20, Play-off Round |
| 27.08.2019 | | FK Krasnodar | – | Olympiakós | | 1:2 (1:1) |
| Krasnodar |
UEFA Champions League 2019/20, Play-off Round |
| 21.08.2019 | | Olympiakós | – | FK Krasnodar | | 4:0 (1:0) |
| Piraeus |
UEFA Champions League 2019/20, Third qualifying round |
| 13.08.2019 | | Olympiakós | – | İstanbul Başakşehir | | 2:0 (0:0) |
| Piraeus |
UEFA Champions League 2019/20, Third qualifying round |
| 07.08.2019 | | İstanbul Başakşehir | – | Olympiakós | | 0:1 (0:0) |
| İstanbul |
UEFA Champions League 2019/20, Second qualifying round |
| 30.07.2019 | | Olympiakós | – | Viktoria Plzeň | | 4:0 (0:0) |
| Piraeus |
UEFA Champions League 2017/18, Play-off Round |
| 22.08.2017 | | Rijeka | – | Olympiakós | | 0:1 (0:1) |
| Rijeka |
UEFA Champions League 2017/18, Play-off Round |
| 16.08.2017 | | Olympiakós | – | Rijeka | | 2:1 (0:1) |
| Piraeus |
UEFA Champions League 2017/18, Third qualifying round |
| 25.07.2017 | | Partizan | – | Olympiakós | | 1:3 (1:1) |
| Belgrade |
UEFA Champions League 2015/16, Group F |
| 04.11.2015 | | Olympiakós | – | Dinamo Zagreb | | 2:1 (0:1) |
| Piraeus |
UEFA Champions League 2015/16, Group F |
| 20.10.2015 | | Dinamo Zagreb | – | Olympiakós | | 0:1 (0:0) |
| Zagreb |
UEFA Champions League 2015/16, Group F |
| 29.09.2015 | | Arsenal | – | Olympiakós | | 2:3 (1:2) |
| London |
UEFA Champions League 2014/15, Group A |
| 09.12.2014 | | Olympiakós | – | Malmö | | 4:2 (1:0) |
 | Piraeus |
UEFA Champions League 2014/15, Group A |
| 22.10.2014 | | Olympiakós | – | Juventus | | 1:0 (1:0) |
| Piraeus |
UEFA Champions League 2014/15, Group A |
| 16.09.2014 | | Olympiakós | – | Atlético Madrid | | 3:2 (2:1) |
| Piraeus |
UEFA Champions League 2013/14, Round of 16 |
| 25.02.2014 | | Olympiakós | – | Manchester United | | 2:0 (1:0) |
| Piraeus |
UEFA Champions League 2013/14, Group C |
| 10.12.2013 | | Olympiakós | – | Anderlecht | | 3:1 (1:1) |
| Piraeus |
UEFA Champions League 2013/14, Group C |
| 05.11.2013 | | Olympiakós | – | Benfica | | 1:0 (1:0) |
| Piraeus |
UEFA Champions League 2013/14, Group C |
| 02.10.2013 | | Anderlecht | – | Olympiakós | | 0:3 (0:1) |
| Bruxelles |
UEFA Champions League 2012/13, Group B |
| 04.12.2012 | | Olympiakós Pireus | – | Arsenal | | 2:1 (0:1) |
| Piraeus |
UEFA Champions League 2012/13, Group B |
| 06.11.2012 | | Olympiakós Pireus | – | Montpellier | | 3:1 (1:0) |
| Piraeus |
UEFA Champions League 2012/13, Group B |
| 24.10.2012 | | Montpellier | – | Olympiakós Pireus | | 1:2 (0:0) |
| Montpellier |
UEFA Champions League 2011/12, Group F |
| 06.12.2011 | | Olympiakós Pireus | – | Arsenal | | 3:1 (2:0) |
| Piraeus |
UEFA Champions League 2011/12, Group F |
| 23.11.2011 | | Marseille | – | Olympiakós Pireus | | 0:1 (0:0) |
| Marseille |
UEFA Champions League 2011/12, Group F |
| 19.10.2011 | | Olympiakós Pireus | – | Borussia Dortmund | | 3:1 (2:1) |
| Piraeus |
UEFA Champions League 2009/10, Group H |
| 09.12.2009 | | Olympiakós Pireus | – | Arsenal | | 1:0 (0:0) |
| Piraeus |
UEFA Champions League 2009/10, Group H |
| 20.10.2009 | | Olympiakós Pireus | – | Standard | | 2:1 (1:1) |
| Piraeus |
UEFA Champions League 2009/10, Group H |
| 16.09.2009 | | Olympiakós Pireus | – | AZ | | 1:0 (0:0) |
| Piraeus |
UEFA Champions League 2009/10, First Round |
| 26.08.2009 | | Olympiakós Pireus | – | Sheriff | | 1:0 (0:0) |
| Piraeus |
UEFA Champions League 2009/10, First Round |
| 18.08.2009 | | Sheriff | – | Olympiakós Pireus | | 0:2 (0:0) |
| Tiraspol |
UEFA Champions League 2009/10, Third qualifying round |
| 05.08.2009 | | Olympiakós Pireus | – | Slovan Bratislava | | 2:0 (1:0) |
| Piraeus |
UEFA Champions League 2009/10, Third qualifying round |
| 29.07.2009 | | Slovan Bratislava | – | Olympiakós Pireus | | 0:2 (0:2) |
| Bratislava |
UEFA Champions League 2008/09, Third qualifying round |
| 27.08.2008 | | Olympiakós Pireus | – | Anorthosis | | 1:0 (0:0) |
| Piraeus |
UEFA Champions League 2007/08, Group C |
| 11.12.2007 | | Olympiakós Pireus | – | Werder | | 3:0 (1:0) |
| Piraeus |
UEFA Champions League 2007/08, Group C |
| 28.11.2007 | | Lazio | – | Olympiakós Pireus | | 1:2 (1:1) |
| Roma |
UEFA Champions League 2007/08, Group C |
| 03.10.2007 | | Werder | – | Olympiakós Pireus | | 1:3 (1:0) |
| Bremen |
UEFA Champions League 2005/06, Group F |
| 06.12.2005 | | Olympiakós Pireus | – | Real Madrid | | 2:1 (0:1) |
| Piraeus |
UEFA Champions League 2004/05, Group A |
| 23.11.2004 | | Olympiakós Pireus | – | Deportivo La Coruna | | 1:0 (0:0) |
| Piraeus |
UEFA Champions League 2004/05, Group A |
| 03.11.2004 | | Olympiakós Pireus | – | Monaco | | 1:0 (0:0) |
| Piraeus |
UEFA Champions League 2004/05, Group A |
| 28.09.2004 | | Olympiakós Pireus | – | Liverpool | | 1:0 (1:0) |
| Piraeus |
UEFA Champions League 2003/04, Group D |
| 05.11.2003 | | Olympiakós Pireus | – | Galatasaray | | 3:0 (2:0) |
| Piraeus |
UEFA Champions League 2002/03, Group stage 1, group F |
| 18.09.2002 | | Olympiakós Pireus | – | Bayer 04 | | 6:2 (3:1) |
| Piraeus |
UEFA Champions League 2001/02, Group stage 1, group G |
| 17.10.2001 | | Olympiakós Pireus | – | Lille | | 2:1 (0:1) |
| Athens |
UEFA Champions League 2000/01, Group stage 1, group C |
| 25.10.2000 | | Olympiakós Pireus | – | Valencia | | 1:0 (0:0) |
| Athens |
UEFA Champions League 2000/01, Group stage 1, group C |
| 27.09.2000 | | Olympiakós Pireus | – | Heerenveen | | 2:0 (0:0) |
| Athens |
UEFA Champions League 2000/01, Group stage 1, group C |
| 20.09.2000 | | Olympiakós Pireus | – | Lyon | | 2:1 (2:0) |
| Athens |
UEFA Champions League 1999/00, Group stage 1, group E |
| 03.11.1999 | | Olympiakós Pireus | – | Porto | | 1:0 (0:0) |
| Athens |
UEFA Champions League 1999/00, Group stage 1, group E |
| 28.09.1999 | | Olympiakós Pireus | – | Molde | | 3:1 (1:0) |
| Athens |
UEFA Champions League 1998/99, Group A |
| 25.11.1998 | | Olympiakós Pireus | – | Porto | | 2:1 (1:0) |
| Athens |
UEFA Champions League 1998/99, Group A |
| 21.10.1998 | | Olympiakós Pireus | – | Ajax | | 1:0 (1:0) |
| Athens |
UEFA Champions League 1998/99, Group A |
| 30.09.1998 | | Olympiakós Pireus | – | Croatia | | 2:0 (1:0) |
| Athens |
UEFA Champions League 1998/99, Second qualifying round |
| 26.08.1998 | | Anorthosis | – | Olympiakós Pireus | | 2:4 (1:0) |
| Larnaca |
UEFA Champions League 1998/99, Second qualifying round |
| 12.08.1998 | | Olympiakós Pireus | – | Anorthosis | | 2:1 (2:0) |
| Athens |
UEFA Champions League 1997/98, Group D |
| 17.09.1997 | | Olympiakós Pireus | – | Porto | | 1:0 (1:0) |
| Athens |
UEFA Champions League 1997/98, Second qualifying round |
| 13.08.1997 | | Olympiakós Pireus | – | MPKC | | 5:0 (0:0) |
| Athens |
UEFA European Champions' Cup 1983/84, 1/8 finals |
| 19.10.1983 | | Olympiakós Pireus | – | Benfica | | 1:0 (1:0) |
| Athens |
UEFA European Champions' Cup 1983/84, 1/16 finals |
| 28.09.1983 | | Olympiakós Pireus | – | Ajax | | 2:0 aet
(0:0, 0:0) |
| Athens |
UEFA European Champions' Cup 1982/83, 1/16 finals |
| 15.09.1982 | | Olympiakós Pireus | – | Östers | | 2:0 (1:0) |
| Athens |
UEFA European Champions' Cup 1981/82, 1/16 finals |
| 30.09.1981 | | Olympiakós Pireus | – | Universitatea Craiova | | 2:0 (1:0) |
| Piraeus |
UEFA European Champions' Cup 1974/75, 1/8 finals |
| 06.11.1974 | | Olympiakós Pireus | – | Anderlecht | | 3:0 (2:0) |
| Piraeus |
UEFA European Champions' Cup 1974/75, 1/16 finals |
| 02.10.1974 | | Olympiakós Pireus | – | Celtic | | 2:0 (2:0) |
| Piraeus |
UEFA European Champions' Cup 1966/67, 1/16 finals |
| 05.10.1966 | | Olympiakós Pireus | – | CSKA Sofia | | 1:0 (1:0) |
| Piraeus |
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