Premier League   M. W D L goals
  at home 27 12 6 9 45 : 31
  Away 24 13 3 8 39 : 28
  51 25 9 17 84 : 59
Irish Cup   M. W D L goals
  at home 1 0 0 0 0 : 0
  Away 3 3 0 0 7 : 1
  Neutral Place 1 1 0 0 1 : 0
  5 4 0 0 8 : 1
League Cup   M. W D L goals
  at home 3 2 0 1 4 : 3
  3 2 0 1 4 : 3
overall   M. W D L goals
  at home 31 14 6 10 49 : 34
  Away 27 16 3 8 46 : 29
  Neutral Place 1 1 0 0 1 : 0
  59 31 9 18 96 : 63
Premier League
2024/2025 17. Round Glentoran FC - Portadown FC 0:2 (0:0)
2024/2025 2. Round Portadown FC - Glentoran FC 1:2 (0:1)
2022/2023 33. Round Glentoran FC - Portadown FC 5:1 (3:0)
2022/2023 17. Round Portadown FC - Glentoran FC 0:2 (0:1)
2022/2023 4. Round Portadown FC - Glentoran FC 0:3 (0:2)
2021/2022 26. Round Portadown FC - Glentoran FC 1:1 (0:0)
2021/2022 17. Round Glentoran FC - Portadown FC 3:1 (1:1)
2021/2022 10. Round Glentoran FC - Portadown FC 2:2 (1:1)
2020/2021 28. Round Glentoran FC - Portadown FC 4:0 (1:0)
2020/2021 7. Round Portadown FC - Glentoran FC 1:3 (0:2)
2020/2021 14. Round Glentoran FC - Portadown FC 2:1 (2:0)
2017 Relegation 4. Round Glentoran FC - Portadown FC 3:0 (2:0)
2016/2017 24. Round Portadown FC - Glentoran FC 0:5 (0:2)
2016/2017 15. Round Glentoran FC - Portadown FC 0:0 (0:0)
2016/2017 4. Round Portadown FC - Glentoran FC 0:1 (0:0)
2015/2016 31. Round Glentoran FC - Portadown FC 1:0
2015/2016 20. Round Portadown FC - Glentoran FC 5:3
2015/2016 7. Round Glentoran FC - Portadown FC 1:0
2015 Championship 3. Round Glentoran FC - Portadown FC 0:0
2014/2015 31. Round Portadown FC - Glentoran FC 1:1
2014/2015 19. Round Portadown FC - Glentoran FC 3:1
2014/2015 6. Round Glentoran FC - Portadown FC 1:1
2014 Championship 5. Round Portadown FC - Glentoran FC 1:2
2013/2014 24. Round Glentoran FC - Portadown FC 2:2
2013/2014 18. Round Glentoran FC - Portadown FC 0:2
2013/2014 9. Round Portadown FC - Glentoran FC 2:1
2012/2013 28. Round Portadown FC - Glentoran FC 0:1
2012/2013 20. Round Portadown FC - Glentoran FC 2:4
2012/2013 11. Round Glentoran FC - Portadown FC 0:1
2012 Championship 3. Round Portadown FC - Glentoran FC 0:1
2011/2012 25. Round Glentoran FC - Portadown FC 2:2
2011/2012 20. Round Glentoran FC - Portadown FC 0:2
2011/2012 7. Round Portadown FC - Glentoran FC 2:1
2011 Championship 4. Round Portadown FC - Glentoran FC 2:0
2010/2011 23. Round Glentoran FC - Portadown FC 0:1
2010/2011 18. Round Portadown FC - Glentoran FC 0:1
2010/2011 11. Round Glentoran FC - Portadown FC 1:0
2010 Championship 4. Round Glentoran FC - Portadown FC 2:0
2009/2010 24. Round Portadown FC - Glentoran FC 2:1
2009/2010 13. Round Glentoran FC - Portadown FC 1:0
2009/2010 2. Round Portadown FC - Glentoran FC 1:2
2007/2008 30. Round Glentoran FC - Portadown FC 3:1
2007/2008 15. Round Portadown FC - Glentoran FC 0:2
2006/2007 30. Round Portadown FC - Glentoran FC 2:0
2006/2007 15. Round Glentoran FC - Portadown FC 2:3
2005/2006 28. Round Glentoran FC - Portadown FC 5:1
2005/2006 13. Round Portadown FC - Glentoran FC 0:0
2004/2005 16. Round Glentoran FC - Portadown FC 3:4
2004/2005 1. Round Glentoran FC - Portadown FC 1:2
2003/2004 24. Round Portadown FC - Glentoran FC 2:1
2003/2004 9. Round Glentoran FC - Portadown FC 1:2
Irish Cup
2022/2023 Round of 16 Portadown FC - Glentoran FC 0:3 (0:1)
2019/2020 5. Round Glentoran FC - Portadown FC 5:4 pso
2014/2015 Final Glentoran FC - Portadown FC 1:0
2013/2014 5. Round Portadown FC - Glentoran FC 1:3
2012/2013 Semi-finals Portadown FC - Glentoran FC 0:1
League Cup
2011/2012 Round of 16 Glentoran FC - Portadown FC 2:1
2010/2011 Semi-finals Glentoran FC - Portadown FC 1:2 (1:1, 1:1) aet
2009/2010 Semi-finals Glentoran FC - Portadown FC 1:0

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