İstanbulspor Kulübü
Istanbulspor played 75 league seasons and cup tournaments in the data, 1958 to 2026. Success weighs every finish by how hard that competition was to win; Efficiency is the share of what the club could have won that it did win; Edge compares that with an average participant (×1.00).
| 640 | RKC Waalwijk (Netherlands) | 3.7 |
| 641 | Stade Francais (France) | 3.7 |
| 642 | Pakhtakor Tashkent (Uzbekistan) | 3.7 |
| 643 | Istanbulspor (Turkey) | 3.7 |
| 644 | Spartak Subotica (Serbia) | 3.7 |
| 645 | Lokomotiva Zagreb (Croatia) | 3.6 |
| 646 | KV Oostende (Belgium) | 3.6 |
More: all clubs of Turkey · the world top 200