3. Round 12/09/1999 Bursaspor - Gaziantepspor 0:1
4. Round 19/09/1999 Gaziantepspor - Göztepe 2:1
5. Round 26/09/1999 Fenerbahçe - Gaziantepspor 0:0
6. Round 17/10/1999 Gaziantepspor - Erzurumspor (1968-2015) 6:0
7. Round 24/10/1999 Gençlerbirliği - Gaziantepspor 0:1 yellow card
8. Round 31/10/1999 Gaziantepspor - Beşiktaş 0:0
9. Round 19/11/1999 Denizlispor - Gaziantepspor 1:0
10. Round 28/11/1999 Gaziantepspor - Vanspor AS 1:3
11. Round 05/12/1999 Gaziantepspor - Kocaelispor 1:0
12. Round 12/12/1999 Gaziantepspor - Altay Izmir 1:0
14. Round 26/12/1999 Gaziantepspor - Samsunspor 5:2
15. Round 09/01/2000 Trabzonspor - Gaziantepspor 0:0
16. Round 15/01/2000 MKE Ankaragücü - Gaziantepspor 1:1
17. Round 22/01/2000 Gaziantepspor - Adanaspor 1:1
18. Round 30/01/2000 Gaziantepspor - Galatasaray 0:1
19. Round 06/02/2000 Antalyaspor - Gaziantepspor 0:0
20. Round 12/02/2000 Gaziantepspor - Bursaspor 1:1
21. Round 19/02/2000 Göztepe - Gaziantepspor 0:1
22. Round 27/02/2000 Gaziantepspor - Fenerbahçe 5:1
23. Round 04/03/2000 Erzurumspor (1968-2015) - Gaziantepspor 1:1
24. Round 11/03/2000 Gaziantepspor - Gençlerbirliği 2:1
25. Round 18/03/2000 Beşiktaş - Gaziantepspor 1:0
26. Round 24/03/2000 Gaziantepspor - Denizlispor 0:0
27. Round 01/04/2000 Vanspor AS - Gaziantepspor 1:2 Goal
28. Round 08/04/2000 Kocaelispor - Gaziantepspor 1:2
29. Round 15/04/2000 Altay Izmir - Gaziantepspor 1:3
30. Round 23/04/2000 Gaziantepspor - İstanbulspor AŞ 1:0
31. Round 30/04/2000 Samsunspor - Gaziantepspor 0:2 yellow card
32. Round 06/05/2000 Gaziantepspor - Trabzonspor 3:0
33. Round 12/05/2000 Gaziantepspor - MKE Ankaragücü 2:2 yellow card