| iroha vs Jin | 31–4 | 88.57% |
| iroha vs Kazuya | 21–8 | 72.41% |
| iroha vs Law | 13–5 | 72.22% |
| iroha vs King | 13–5 | 72.22% |
| iroha vs Lee | 11–6 | 64.71% |
| iroha vs Reina | 8–6 | 57.14% |
| iroha vs Bryan | 9–4 | 69.23% |
| iroha vs Dragunov | 6–7 | 46.15% |
| iroha vs Heihachi | 9–3 | 75.00% |
| iroha vs Paul | 10–1 | 90.91% |
| iroha vs Clive | 8–3 | 72.73% |
| iroha vs Hwoarang | 6–3 | 66.67% |
| iroha vs Eddy | 7–1 | 87.50% |
| iroha vs Lili | 4–3 | 57.14% |
| iroha vs Nina | 5–1 | 83.33% |
| iroha vs Kuma | 4–2 | 66.67% |
| iroha vs Armor King | 5–1 | 83.33% |
| iroha vs Feng | 5–0 | 100.00% |
| iroha vs Alisa | 5–0 | 100.00% |
| iroha vs Azucena | 3–2 | 60.00% |
| iroha vs Asuka | 4–0 | 100.00% |
| iroha vs Jun | 4–0 | 100.00% |
| iroha vs Victor | 3–1 | 75.00% |
| iroha vs Anna | 0–4 | 0.00% |
| iroha vs Xiaoyu | 3–0 | 100.00% |
| iroha vs Steve | 3–0 | 100.00% |
| iroha vs Zafina | 2–1 | 66.67% |
| iroha vs Raven | 3–0 | 100.00% |
| iroha vs Devil Jin | 2–0 | 100.00% |
| iroha vs Leo | 2–0 | 100.00% |
| iroha vs Lars | 2–0 | 100.00% |
| iroha vs Shaheen | 0–2 | 0.00% |
| iroha vs Leroy | 2–0 | 100.00% |
| iroha vs Lidia | 2–0 | 100.00% |
| iroha vs Jack-8 | 1–0 | 100.00% |
| iroha vs Claudio | 1–0 | 100.00% |
| iroha vs Fahkumram | 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.