Friendlies Clubs   M. W D L goals
  at home 1 0 0 1 0 : 1
  1 0 0 1 0 : 1
Pro League   M. W D L goals
  at home 3 0 0 3 2 : 15
  Away 3 0 2 1 4 : 7
  6 0 2 4 6 : 22
Challenger Pro League   M. W D L goals
  at home 1 1 0 0 3 : 1
  Away 1 0 0 1 0 : 3
  2 1 0 1 3 : 4
Beker van België   M. W D L goals
  at home 1 1 0 0 3 : 1
  Away 2 1 0 1 2 : 2
  3 2 0 1 5 : 3
overall   M. W D L goals
  at home 6 2 0 4 8 : 18
  Away 6 1 2 3 6 : 12
  Neutral Place 0 0 0 0 0 : 0
  12 3 2 7 14 : 30
Friendlies Clubs
2023 Week KV Oostende - Union Saint-Gilloise 0:1 (0:1)
Pro League
2022/2023 18. Round Union Saint-Gilloise - KV Oostende 3:0 (0:0)
2022/2023 12. Round KV Oostende - Union Saint-Gilloise 1:6 (0:2)
2021/2022 32. Round Union Saint-Gilloise - KV Oostende 1:1 (0:1)
2021/2022 15. Round KV Oostende - Union Saint-Gilloise 1:7 (1:4)
1969/1970 15. Round Union Saint-Gilloise - AS Oostende 3:3
1969/1970 1. Round AS Oostende - Union Saint-Gilloise 0:2
Challenger Pro League
2007/2008 37. Round KV Oostende - Union Saint-Gilloise 3:1
2007/2008 17. Round Union Saint-Gilloise - KV Oostende 3:0
Beker van België
2022/2023 Round of 16 Union Saint-Gilloise - KV Oostende 2:1 (1:1)
2017/2018 6. Round KV Oostende - Union Saint-Gilloise 3:1 (1:0)
2011/2012 4. Round Union Saint-Gilloise - KV Oostende 0:1 aet

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