Primera RFEF Grupo 1   M. W D L goals
  at home 3 1 1 1 5 : 7
  Away 3 1 0 2 3 : 6
  6 2 1 3 8 : 13
overall   M. W D L goals
  at home 3 1 1 1 5 : 7
  Away 3 1 0 2 3 : 6
  Neutral Place 0 0 0 0 0 : 0
  6 2 1 3 8 : 13
Primera RFEF Grupo 1
2024/2025 24. Round RC Celta B - Real Unión 2:1 (2:1)
2024/2025 2. Round Real Unión - RC Celta B 3:2 (0:0)
2023/2024 24. Round Real Unión - RC Celta B 1:1 (0:0)
2023/2024 8. Round RC Celta B - Real Unión 3:0 (0:0)
2021/2022 20. Round RC Celta B - Real Unión 1:2 (0:2)
2021/2022 3. Round Real Unión - RC Celta B 1:4 (1:2)

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