Turkish Basketball Super League History | 1989-90 Season
Galatasaray
Court: Lutfi Kirdar
City: Istanbul
| Roster | |
| Lutfi Aribogan |  Turkiye |
| Burcin Badem | Turkiye |
| Huseyin Bugdayci | Turkiye |
| Cem Caniklioglu | Turkiye |
| Yusuf Erboy | Turkiye |
| Omer Kart | Turkiye |
| Yalcin Kucukozkan | Turkiye |
| Recep Sen | Turkiye |
| Emir Turam | Turkiye |
| Cem Usta | Turkiye |
| Pete Williams |  United States |
| Hakan Yorukoglu | Turkiye |
| Head Coach: Faruk Akagun | Turkiye |
Play Off
| Final | ||
| Galatasaray | 3-1 | Pasabahce |
| 1/2 Final | ||
| Fenerbahce | 0-2 | Pasabahce |
| Galatasaray | 2-0 | Efes Pilsen |
1/4 Final Group
| Team | PTS | GP | W | L | |
| 1. | Efes Pilsen | 9 | 5 | 4 | 1 |
| 2. | Pasabahce | 8 | 5 | 3 | 2 |
| 3. | Cukurova Sanayi | 7 | 5 | 2 | 3 |
| 4. | Tofas SAS* | 7 | 5 | 2 | 3 |
| 5. | ITU | 7 | 5 | 2 | 3 |
| 6. | Beslenspor | 7 | 5 | 2 | 3 |
Regular Season
| Team | PTS | GP | W | L | |
| 1. | Fenerbahce | 41 | 22 | 19 | 3 |
| 2. | Galatasaray | 40 | 22 | 18 | 4 |
| 3. | Cukurova Sanayi | 36 | 22 | 14 | 8 |
| 4. | Beslenspor | 35 | 22 | 13 | 9 |
| 5. | Pasabahce | 35 | 22 | 13 | 9 |
| 6. | Efes Pilsen | 35 | 22 | 13 | 9 |
| 7. | ITU | 33 | 22 | 11 | 11 |
| 8. | Besiktas | 31 | 22 | 9 | 13 |
| 9. | Karsiyaka | 31 | 22 | 9 | 13 |
| 10. | Nasas | 30 | 22 | 8 | 14 |
| 11. | Eczacibasi | 27 | 22 | 5 | 17 |
| 12. | Sumerbank Beykoz | 21 | 22 | 0 | 22 |