# 1988–89 Turkish Cup

The 1988–89 Turkish Cup was the 27th edition of the annual tournament that determined the association football Süper Lig Turkish Cup (Turkish: Türkiye Kupası) champion under the auspices of the Turkish Football Federation (Turkish: Türkiye Futbol Federasyonu; TFF). Beşiktaş successfully contested Fenerbahçe 1–3 in the final. The results of the tournament also determined which clubs would be promoted or relegated.

## First round

| Team 1 | Score | Team 2 |
| Gençlerbirliği | 5–1 | Çorumspor |
| Batman Petrolspor | 0–1 | Elazığspor |
| Mardinspor | 0–1 | Siirt YSE Spor |
| Sönmez Filamentspor | 1–2 | İnegölspor |
| Çarşambaspor | 1–0 | Giresunspor |
| Hatayspor | 0–1 | Gaziantepspor |
| Kayserispor | 2–1 | Elbistanspor |
| Seydişehir Eti Alüminyumspor | 2–1 | Alanyaspor |
| Antalyaspor | 5–2 | Denizlispor |
| Aydınspor | 3–1 | Altınordu |
| Bakırköyspor | 8–0 | Vefa |
| Beşiktaş (AM) | 3–0 | Bayrampaşa |
| Erdemir Ereğlispor | 0–0 (4–3 p) | Karabükspor |
| Kartalspor | 3–2 | Beykozspor |
| Kocaelispor | 3–1 | Zonguldakspor |
| Kuşadasıspor | 2–0 | Göztepe |
| Kütahyaspor | 1–2 | Tavşanlı Linyitspor |
| Tekirdağspor | 1–2 | Ayvalıkgücü |
| Uzunköprüspor | 0–0 (5–4 p) | Bigaspor |
| Yeni Salihlispor | 3–2 | Turgutluspor |
| Zeytinburnu | 6–4 (aet) | Gaziosmanpaşa |
| PTT | 3–0 | 1930 Bafraspor |
| Bursaspor (AM) | 3–0 | Gönenspor |
| Ankara Demirspor | 1–0 | Polatlıspor |
| Petrol Ofisi | 3–2 | Nevşehirspor |
| Erzurumspor | 5–1 | Orduspor |

## Second round

| Team 1 | Score | Team 2 |
| Petrol Ofisi | 1–3 | Ankara Demirspor |
| Elazığspor | 1–1 (3–4 p) | Siirt YSE Spor |
| Çarşambaspor | 2–0 | Erzurumspor |
| Kayserispor | 2–1 | Gaziantepspor |
| Seydişehir Eti Alüminyumspor | 6–2 | Antalyaspor |
| Ayvalıkgücü | 2–1 | Uzunköprüspor |
| Bakırköyspor | 6–4 (aet) | Kartalspor |
| Beşiktaş (AM) | 4–4 (4–2 p) | Zeytinburnu |
| Bursaspor (AM) | 4–2 (aet) | İnegölspor |
| Kocaelispor | 3–1 | Erdemir Ereğlispor |
| Kuşadasıspor | 4–0 | Aydınspor |
| PTT | 1–0 | Gençlerbirliği |
| Yeni Salihlispor | 1–2 (aet) | Tavşanlı Linyitspor |

## Third round

| Team 1 | Agg.Tooltip Aggregate score | Team 2 | 1st leg | 2nd leg |
| Adana Demirspor | 6–1 | Seydişehir Eti Alüminyumspor | 4–0 | 2–1 |
| Adanaspor | 7–1 | Rizespor | 4–1 | 3–0 |
| Boluspor | 6–2 | PTT | 3–1 | 3–1 |
| Bursaspor (AM) | 3–5 | Ankaragücü | 1–2 | 2–3 |
| Kahramanmaraşspor | 2–3 | Bursaspor | 1–2 | 1–1 |
| Malatyaspor | 2–0 | Ankara Demirspor | 0–0 | 2–0 |
| Samsunspor | 0–6 | Bakırköyspor | 0–3 | 0–3 |
| Siirt YSE Spor | 2–3 | Konyaspor | 1–1 | 1–2 |
| Altay | 4–4 (a) | Kocaelispor | 2–3 | 2–1 |
| Ayvalıkgücü | 1–6 | Galatasaray | 0–1 | 1–5 |
| Çarşambaspor | 0–3 | Karşıyaka | 0–1 | 0–2 |
| Fenerbahçe | 6–1 | Kuşadasıspor | 5–1 | 1–0 |
| Kayserispor | 1–3 | Eskişehirspor | 0–1 | 1–2 |
| Sakaryaspor | 2–4 | Trabzonspor | 2–1 | 0–3 |
| Tavşanlı Linyitspor | 0–6 | Sarıyer | 0–4 | 0–2 |
| Beşiktaş | 9–1 | Beşiktaş (AM) | 4–0 | 5–1 |

## Fourth round

| Team 1 | Agg.Tooltip Aggregate score | Team 2 | 1st leg | 2nd leg |
| Malatyaspor | 3–0 | Adana Demirspor | 1–0 | 2–2 |
| Trabzonspor | 2–3 | Fenerbahçe | 1–0 | 1–3 |
| Adanaspor | 1–2 | Bakırköyspor | 1–0 | 0–2 |
| Beşiktaş | 4–1 | Kocaelispor | 2–1 | 2–0 |
| Bursaspor | 2–5 | Galatasaray | 0–1 | 2–4 |
| Karşıyaka | 7–3 | Ankaragücü | 4–1 | 3–2 |
| Sarıyer | 1–1 (a) | Boluspor | 0–0 | 1–1 |
| Konyaspor | 6–5 | Eskişehirspor | 2–3 | 4–2 |

## Quarter-finals

| Team 1 | Agg.Tooltip Aggregate score | Team 2 | 1st leg | 2nd leg |
| Fenerbahçe | 6–5 | Galatasaray | 2–2 | 4–3 |
| Malatyaspor | 5–1 | Bakırköyspor | 2–0 | 3–1 |
| Konyaspor | 3–2 | Sarıyer | 3–2 | 0–0 |
| Karşıyaka | 0–4 | Beşiktaş | 0–3 | 0–1 |

## Semi-finals
### Summary table

| Team 1 | Agg.Tooltip Aggregate score | Team 2 | 1st leg | 2nd leg |
| Fenerbahçe | 2–2 (a) | Malatyaspor | 1–0 | 1–2 |
| Konyaspor | 2–5 | Beşiktaş | 1–2 | 1–3 |