| Itatatata vs Heihachi | 19–43 | 30.65% |
| Itatatata vs Fahkumram | 31–31 | 50.00% |
| Itatatata vs Bryan | 27–28 | 49.09% |
| Itatatata vs Law | 29–25 | 53.70% |
| Itatatata vs King | 26–23 | 53.06% |
| Itatatata vs Lili | 37–12 | 75.51% |
| Itatatata vs Hwoarang | 23–24 | 48.94% |
| Itatatata vs Lars | 32–14 | 69.57% |
| Itatatata vs Kazuya | 29–16 | 64.44% |
| Itatatata vs Anna | 16–26 | 38.10% |
| Itatatata vs Jun | 17–23 | 42.50% |
| Itatatata vs Leo | 15–21 | 41.67% |
| Itatatata vs Jin | 20–15 | 57.14% |
| Itatatata vs Yoshimitsu | 21–13 | 61.76% |
| Itatatata vs Paul | 13–20 | 39.39% |
| Itatatata vs Dragunov | 19–13 | 59.38% |
| Itatatata vs Victor | 8–21 | 27.59% |
| Itatatata vs Asuka | 15–12 | 55.56% |
| Itatatata vs Reina | 17–10 | 62.96% |
| Itatatata vs Feng | 8–17 | 32.00% |
| Itatatata vs Lidia | 12–12 | 50.00% |
| Itatatata vs Armor King | 13–11 | 54.17% |
| Itatatata vs Steve | 11–12 | 47.83% |
| Itatatata vs Eddy | 11–12 | 47.83% |
| Itatatata vs Lee | 12–10 | 54.55% |
| Itatatata vs Alisa | 13–8 | 61.90% |
| Itatatata vs Xiaoyu | 8–12 | 40.00% |
| Itatatata vs Azucena | 10–9 | 52.63% |
| Itatatata vs Claudio | 11–6 | 64.71% |
| Itatatata vs Clive | 6–10 | 37.50% |
| Itatatata vs Raven | 10–5 | 66.67% |
| Itatatata vs Devil Jin | 6–8 | 42.86% |
| Itatatata vs Jack-8 | 5–8 | 38.46% |
| Itatatata vs Nina | 4–9 | 30.77% |
| Itatatata vs Leroy | 8–3 | 72.73% |
| Itatatata vs Shaheen | 4–6 | 40.00% |
| Itatatata vs Zafina | 5–5 | 50.00% |
| Itatatata vs Panda | 3–5 | 37.50% |
| Itatatata vs Kuma | 3–4 | 42.86% |
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.