| Iron Maiden vs King | 11–0 | 100.00% |
| Iron Maiden vs Jin | 5–2 | 71.43% |
| Iron Maiden vs Steve | 5–2 | 71.43% |
| Iron Maiden vs Law | 3–3 | 50.00% |
| Iron Maiden vs Bryan | 3–3 | 50.00% |
| Iron Maiden vs Kazuya | 4–2 | 66.67% |
| Iron Maiden vs Devil Jin | 4–2 | 66.67% |
| Iron Maiden vs Armor King | 2–4 | 33.33% |
| Iron Maiden vs Lili | 5–0 | 100.00% |
| Iron Maiden vs Reina | 5–0 | 100.00% |
| Iron Maiden vs Paul | 3–1 | 75.00% |
| Iron Maiden vs Dragunov | 3–1 | 75.00% |
| Iron Maiden vs Claudio | 4–0 | 100.00% |
| Iron Maiden vs Eddy | 3–1 | 75.00% |
| Iron Maiden vs Lidia | 4–0 | 100.00% |
| Iron Maiden vs Miary Zo | 2–1 | 66.67% |
| Iron Maiden vs Hwoarang | 0–2 | 0.00% |
| Iron Maiden vs Xiaoyu | 2–0 | 100.00% |
| Iron Maiden vs Asuka | 2–0 | 100.00% |
| Iron Maiden vs Leroy | 0–2 | 0.00% |
| Iron Maiden vs Jun | 2–0 | 100.00% |
| Iron Maiden vs Victor | 0–2 | 0.00% |
| Iron Maiden vs Raven | 1–1 | 50.00% |
| Iron Maiden vs Clive | 2–0 | 100.00% |
| Iron Maiden vs Jack-8 | 1–0 | 100.00% |
| Iron Maiden vs Lars | 1–0 | 100.00% |
| Iron Maiden vs Lee | 1–0 | 100.00% |
Limitations
This data is often requested to give insight into which characters you have more trouble with than others, but it is not particularly helpful for that. The main issue is that it is heavily skewed by how strong the opponents you play are.
For example, this data suggests my worst matchup is clearly vs Reina, but that's just because most of those games are vs Yagami.
There is a way to account for this being worked on. The central idea is to assign each matchup a rating vs you which adjusts based on the result, much like the regular rating but also based on the rating of each player. With this, it would give a better summary of how well you perform vs each character.
In the meantime, this page is here to present the data as requested.