Turkish Basketball Super League History | 1989-90 Season
Galatasaray
Court: Lutfi Kirdar
City: İstanbul
| Roster | |
| Lütfi Arıboğan |  Turkiye |
| Burçin Badem | Turkiye |
| Hüseyin Buğdaycı | Turkiye |
| Cem Caniklioğlu | Turkiye |
| Yusuf Erboy | Turkiye |
| Ömer Kart | Turkiye |
| Yalçın Küçüközkan | Turkiye |
| Recep Şen | Turkiye |
| Emir Turam | Turkiye |
| Cem Usta | Turkiye |
| Pete Williams |  United States |
| Hakan Yörükoğlu | Turkiye |
| Head Coach: Faruk Akagün | Turkiye |
Play Off
| Final | ||
| Galatasaray | 3-1 | Paşabahçe |
| 1/2 Final | ||
| Fenerbahçe | 0-2 | Paşabahçe |
| Galatasaray | 2-0 | Efes Pilsen |
1/4 Final Group
| Team | PTS | GP | W | L | |
| 1. | Efes Pilsen | 9 | 5 | 4 | 1 |
| 2. | Paşabahçe | 8 | 5 | 3 | 2 |
| 3. | Çukurova Sanayi | 7 | 5 | 2 | 3 |
| 4. | Tofaş SAS* | 7 | 5 | 2 | 3 |
| 5. | İTÜ | 7 | 5 | 2 | 3 |
| 6. | Beslenspor | 7 | 5 | 2 | 3 |
Regular Season
| Team | PTS | GP | W | L | |
| 1. | Fenerbahçe | 41 | 22 | 19 | 3 |
| 2. | Galatasaray | 40 | 22 | 18 | 4 |
| 3. | Çukurova Sanayi | 36 | 22 | 14 | 8 |
| 4. | Beslenspor | 35 | 22 | 13 | 9 |
| 5. | Paşabahçe | 35 | 22 | 13 | 9 |
| 6. | Efes Pilsen | 35 | 22 | 13 | 9 |
| 7. | İTÜ | 33 | 22 | 11 | 11 |
| 8. | Beşiktaş | 31 | 22 | 9 | 13 |
| 9. | Karşıyaka | 31 | 22 | 9 | 13 |
| 10. | Nasaş | 30 | 22 | 8 | 14 |
| 11. | Eczacıbaşı | 27 | 22 | 5 | 17 |
| 12. | Sümerbank Beykoz | 21 | 22 | 0 | 22 |