| Irationality vs Eddy | 10–10 | 50.00% |
| Irationality vs King | 9–10 | 47.37% |
| Irationality vs Jin | 10–8 | 55.56% |
| Irationality vs Yoshimitsu | 6–10 | 37.50% |
| Irationality vs Bryan | 9–7 | 56.25% |
| Irationality vs Azucena | 6–10 | 37.50% |
| Irationality vs Paul | 9–6 | 60.00% |
| Irationality vs Hwoarang | 8–7 | 53.33% |
| Irationality vs Reina | 12–3 | 80.00% |
| Irationality vs Kazuya | 8–6 | 57.14% |
| Irationality vs Feng | 9–3 | 75.00% |
| Irationality vs Dragunov | 7–5 | 58.33% |
| Irationality vs Law | 5–6 | 45.45% |
| Irationality vs Xiaoyu | 2–7 | 22.22% |
| Irationality vs Asuka | 4–5 | 44.44% |
| Irationality vs Devil Jin | 4–5 | 44.44% |
| Irationality vs Raven | 6–2 | 75.00% |
| Irationality vs Lili | 4–3 | 57.14% |
| Irationality vs Alisa | 3–4 | 42.86% |
| Irationality vs Claudio | 4–1 | 80.00% |
| Irationality vs Shaheen | 3–2 | 60.00% |
| Irationality vs Lee | 3–2 | 60.00% |
| Irationality vs Kuma | 4–1 | 80.00% |
| Irationality vs Jun | 2–3 | 40.00% |
| Irationality vs Steve | 1–3 | 25.00% |
| Irationality vs Lars | 2–2 | 50.00% |
| Irationality vs Leo | 1–2 | 33.33% |
| Irationality vs Panda | 2–1 | 66.67% |
| Irationality vs Nina | 2–0 | 100.00% |
| Irationality vs Leroy | 0–2 | 0.00% |
| Irationality vs Victor | 1–1 | 50.00% |
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.