Segunda División   M. W D L goals
  at home 2 1 1 0 4 : 1
  Away 2 0 0 2 1 : 9
  4 1 1 2 5 : 10
Primera RFEF Grupo 2   M. W D L goals
  at home 1 0 1 0 1 : 1
  Away 1 0 1 0 1 : 1
  2 0 2 0 2 : 2
overall   M. W D L goals
  at home 3 1 2 0 5 : 2
  Away 3 0 1 2 2 : 10
  Neutral Place 0 0 0 0 0 : 0
  6 1 3 2 7 : 12
Segunda División
2009/2010 27. Round CD Castellón - Real Unión 1:1 (0:0)
2009/2010 6. Round Real Unión - CD Castellón 3:1 (1:1)
1932/1933 16. Round Real Unión - CD Castellón 6:0
1932/1933 7. Round CD Castellón - Real Unión 3:0
Primera RFEF Grupo 2
2022/2023 37. Round CD Castellón - Real Unión 1:1 (0:0)
2022/2023 18. Round Real Unión - CD Castellón 1:1 (0:0)

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