ROC Charleroi played 54 league seasons and cup tournaments in the data, 1937 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).
| 608 | Unión Española (CHI) | 4.0 |
| 609 | Instituto (Argentina) | 4.0 |
| 610 | Varteks Varazdin (Croatia) | 3.9 |
| 611 | ROC Charleroi (Belgium) | 3.9 |
| 612 | Spartak Trnava (TCH) | 3.9 |
| 613 | SSV Reutlingen (Germany) | 3.9 |
| 614 | Brøndby IF (DEN) | 3.9 |