[5] Altay 3-2 Istanbulspor [4] 2021-05-17 17:00
Stadium: Izmir Atatürk Stadium Round: 2
Referee: Arda Kardesler Home Manager: Huseyin Tavur Away Manager: Saffet Akbas
Head to Head
| Türkiye 1 Lig | 2021/02/01 16:00 | Altay SK Izmir v Istanbulspor | L | 1-3 |
| Türkiye 1 Lig | 2020/09/20 13:30 | Istanbulspor v Altay SK Izmir | L | 2-1 |
| Türkiye 1 Lig | 2020/01/25 16:00 | Altay SK Izmir v Istanbulspor | W | 1-0 |
| Türkiye 1 Lig | 2019/08/26 17:00 | Istanbulspor v Altay SK Izmir | D | 2-2 |
| Türkiye 1 Lig | 2019/02/04 16:00 | Altay SK Izmir v Istanbulspor | D | 1-1 |
| Türkiye 1 Lig | 2018/08/25 16:15 | Istanbulspor v Altay SK Izmir | W | 0-5 |