Primera División   M. W D L goals
  at home 6 3 3 0 9 : 5
  Away 7 3 2 2 11 : 8
  13 6 5 2 20 : 13
Primera B   M. W D L goals
  at home 5 4 0 1 5 : 3
  Away 5 0 5 0 5 : 5
  10 4 5 1 10 : 8
overall   M. W D L goals
  at home 11 7 3 1 14 : 8
  Away 12 3 7 2 16 : 13
  Neutral Place 0 0 0 0 0 : 0
  23 10 10 3 30 : 21
Primera División
2012 Clausura 14. Round Cobreloa - Unión San Felipe 2:1 (2:1)
2012 Apertura 14. Round Unión San Felipe - Cobreloa 0:3 (0:2)
2011 Clausura 14. Round Unión San Felipe - Cobreloa 1:1 (0:1)
2011 Apertura 14. Round Cobreloa - Unión San Felipe 1:1 (0:0)
2010 24. Round Unión San Felipe - Cobreloa 1:0 (0:0)
2010 7. Round Cobreloa - Unión San Felipe 0:0 (0:0)
2005 Clausura 14. Round Unión San Felipe - Cobreloa 1:1
2005 Apertura 12. Round Cobreloa - Unión San Felipe 1:1
2004 Clausura 8. Round Unión San Felipe - Cobreloa 1:3
2004 Apertura Playoffs Round of 16 Cobreloa - Unión San Felipe 2:1
2004 Apertura Playoffs Round of 16 Unión San Felipe - Cobreloa 0:2
2004 Apertura 8. Round Cobreloa - Unión San Felipe 3:1
2003 Clausura 4. Round Unión San Felipe - Cobreloa 4:1
Primera B
2023 27. Round Cobreloa - Unión San Felipe 1:0 (0:0)
2023 12. Round Unión San Felipe - Cobreloa 2:2 (2:1)
2022 29. Round Cobreloa - Unión San Felipe 1:0 (1:0)
2022 12. Round Unión San Felipe - Cobreloa 1:1 (0:1)
2021 20. Round Cobreloa - Unión San Felipe 2:1 (1:1)
2021 5. Round Unión San Felipe - Cobreloa 0:0 (0:0)
2020 22. Round Unión San Felipe - Cobreloa 0:0 (0:0)
2020 10. Round Cobreloa - Unión San Felipe 0:2 (0:0)
2019 20. Round Cobreloa - Unión San Felipe 1:0 (1:0)
2019 6. Round Unión San Felipe - Cobreloa 2:2 (0:0)

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