Shamrock Rovers played 27 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).
| 1008 | Torpedo Kutaisi (Georgia) | 1.5 |
| 1009 | Sutjeska Niksic (Montenegro) | 1.5 |
| 1010 | Maccabi Tel-Aviv (ISR) | 1.5 |
| 1011 | Shamrock Rovers (IRL) | 1.5 |
| 1012 | Raja Casablanca (MAR) | 1.5 |
| 1013 | Guarany de Bagé (Brazil) | 1.5 |
| 1014 | Lecco (Italy) | 1.5 |
More: the world top 200