| | Besiktas | Top Scorer |
| RS 01 | 22.09.1990 | @ Beslenspor | L 91 - 83 | 23 Erman Kunter |
| RS 02 | 30.09.1990 | @ Galatasaray | W 97 - 100 | 25 Burak Biyiktay |
| RS 03 | 06.10.1990 | @ Nasas | L 74 - 73 | 17 Erman Kunter |
| RS 04 | 13.10.1990 | @ Pasabahce | L 94 - 80 | 19 Burak Biyiktay |
| RS 05 | 20.10.1990 | vs. Kolejliler | W 80 - 66 | 25 Erwin Small |
| RS 06 | 27.10.1990 | vs. Karsiyaka | L 62 - 64 | 17 Burak Biyiktay |
| RS 07 | 02.11.1990 | @ Fenerbahce | L 82 - 73 | 22 Burak Biyiktay |
| RS 08 | 10.11.1990 | @ Tofas SAS | L 97 - 87 | 39 Erwin Small |
| RS 09 | 01.12.1990 | vs. Efes Pilsen | L 95 - 96 | 21 Erman Kunter |
| RS 10 | 08.12.1990 | @ Cukurova Sanayi | L 91 - 86 | 31 Erman Kunter |
| RS 11 | 16.12.1990 | vs. ITU | L 84 - 90 | 43 Erman Kunter |
| RS 12 | 22.12.1990 | vs. Beslenspor | W 95 - 75 | 28 Erwin Small |
| RS 13 | 29.12.1990 | vs. Galatasaray | L 87 - 102 | 22 Erwin Small |
| RS 14 | 06.01.1991 | vs. Nasas | W 88 - 64 | 25 Erman Kunter |
| RS 15 | 11.01.1991 | vs. Pasabahce | L 76 - 89 | 32 Erman Kunter |
| RS 16 | 19.01.1991 | @ Kolejliler | W 87 - 96 | 22 Erman Sahbazoglu |
| RS 17 | 26.01.1991 | @ Karsiyaka | L 78 - 52 | 11 Erman Kunter, Burak Biyiktay |
| RS 18 | 01.02.1991 | vs. Fenerbahce | L 70 - 82 | 32 Erman Kunter |
| RS 19 | 10.02.1991 | vs. Tofas SAS | L 74 - 88 | 21 Burak Biyiktay |
| RS 20 | 17.02.1991 | @ Efes Pilsen | L 83 - 72 | 24 Erman Kunter |
| RS 21 | 23.02.1991 | vs. Cukurova Sanayi | L 67 - 68 | 19 Erman Kunter, Burak Biyiktay |
| RS 22 | 01.03.1991 | @ ITU | W 80 - 100 | 39 Erman Kunter |
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