| | Sumerbank Beykoz | Top Scorer |
| RS 01 | 01.10.1988 | vs. Beslenspor | L 73 - 94 | 23 Serdar Kocyigit |
| RS 02 | 07.10.1988 | @ Karsiyaka | W 74 - 76 | 33 Herb Johnson |
| RS 03 | 15.10.1988 | @ Eczacibasi | L 66 - 65 | 21 Serdar Kocyigit |
| RS 04 | 22.10.1988 | vs. Cukurova Sanayi | W 70 - 62 | 18 Herb Johnson, Serdar Kocyigit |
| RS 05 | 27.10.1988 | @ Galatasaray | L 77 - 66 | 25 Herb Johnson |
| RS 06 | 06.11.1988 | @ Tofas SAS | W 74 - 84 | 26 Herb Johnson |
| RS 07 | 26.11.1988 | vs. Buyuk Salat | W 85 - 68 | 46 Herb Johnson |
| RS 08 | 04.12.1988 | vs. ITU | W 69 - 59 | 26 Herb Johnson |
| RS 09 | 10.12.1988 | @ Pasabahce | L 90 - 89 | 22 Herb Johnson |
| RS 10 | 29.12.1988 | vs. Fenerbahce | L 76 - 90 | 22 Serdar Kocyigit |
| RS 11 | 07.01.1989 | @ Efes Pilsen | L 87 - 83 | 35 Herb Johnson |
| RS 12 | 22.01.1989 | @ Beslenspor | L 87 - 85 | |
| RS 13 | 29.01.1989 | vs. Karsiyaka | W 74 - 68 | 25 Serdar Kocyigit |
| RS 14 | 05.02.1989 | vs. Eczacibasi | L 73 - 83 | 47 Herb Johnson |
| RS 15 | 11.02.1989 | @ Cukurova Sanayi | L 98 - 78 | 20 Herb Johnson |
| RS 16 | 15.02.1989 | vs. Galatasaray | W 69 - 65 | 21 Herb Johnson |
| RS 17 | 26.02.1989 | vs. Tofas SAS | L 74 - 80 | 23 Herb Johnson |
| RS 19 | 09.03.1989 | @ ITU | W 82 - 86 | 31 Herb Johnson |
| RS 20 | 12.03.1989 | vs. Pasabahce | W 68 - 67 | 23 Derya Engul |
| RS 21 | 19.03.1989 | @ Fenerbahce | L 66 - 65 | 31 Herb Johnson |
| RS 22 | 23.03.1989 | vs. Efes Pilsen | L 72 - 77 | 30 Herb Johnson |
| RS 18 | Cancelled | @ Buyuk Salat | |
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