9. Round | 23/10/1998 | Antalyaspor | - | İstanbulspor AŞ | 2:3 | ||||
10. Round | 30/10/1998 | İstanbulspor AŞ | - | Gaziantepspor | 0:0 | ||||
11. Round | 07/11/1998 | Altay Izmir | - | İstanbulspor AŞ | 2:1 | ||||
18. Round | 30/01/1999 | İstanbulspor AŞ | - | Adanaspor | 6:0 | ||||
19. Round | 06/02/1999 | Samsunspor | - | İstanbulspor AŞ | 0:1 | ||||
20. Round | 12/02/1999 | Karabükspor | - | İstanbulspor AŞ | 2:2 | ||||
23. Round | 05/03/1999 | Sakaryaspor | - | İstanbulspor AŞ | 3:0 | ||||
26. Round | 02/04/1999 | İstanbulspor AŞ | - | Antalyaspor | 0:1 | ||||
29. Round | 24/04/1999 | Bursaspor | - | İstanbulspor AŞ | 2:0 |