| Iziio vs Heihachi | 65–72 | 47.45% |
| Iziio vs Kazuya | 62–63 | 49.60% |
| Iziio vs Jin | 57–52 | 52.29% |
| Iziio vs King | 44–43 | 50.57% |
| Iziio vs Law | 36–44 | 45.00% |
| Iziio vs Steve | 39–36 | 52.00% |
| Iziio vs Reina | 48–24 | 66.67% |
| Iziio vs Bryan | 27–43 | 38.57% |
| Iziio vs Yoshimitsu | 38–31 | 55.07% |
| Iziio vs Dragunov | 30–32 | 48.39% |
| Iziio vs Lee | 25–37 | 40.32% |
| Iziio vs Hwoarang | 27–31 | 46.55% |
| Iziio vs Lidia | 22–32 | 40.74% |
| Iziio vs Devil Jin | 25–26 | 49.02% |
| Iziio vs Lili | 19–25 | 43.18% |
| Iziio vs Victor | 24–20 | 54.55% |
| Iziio vs Paul | 13–29 | 30.95% |
| Iziio vs Jun | 17–19 | 47.22% |
| Iziio vs Nina | 16–19 | 45.71% |
| Iziio vs Alisa | 16–18 | 47.06% |
| Iziio vs Azucena | 12–19 | 38.71% |
| Iziio vs Asuka | 14–10 | 58.33% |
| Iziio vs Feng | 8–16 | 33.33% |
| Iziio vs Lars | 6–17 | 26.09% |
| Iziio vs Leroy | 11–10 | 52.38% |
| Iziio vs Claudio | 6–14 | 30.00% |
| Iziio vs Xiaoyu | 9–9 | 50.00% |
| Iziio vs Eddy | 8–8 | 50.00% |
| Iziio vs Raven | 3–12 | 20.00% |
| Iziio vs Leo | 5–8 | 38.46% |
| Iziio vs Jack-8 | 5–5 | 50.00% |
| Iziio vs Shaheen | 1–8 | 11.11% |
| Iziio vs Kuma | 0–8 | 0.00% |
| Iziio vs Zafina | 2–4 | 33.33% |
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.