| ItachiUchiha vs Kazuya | 17–14 | 54.84% |
| ItachiUchiha vs Jin | 15–11 | 57.69% |
| ItachiUchiha vs Hwoarang | 8–10 | 44.44% |
| ItachiUchiha vs Heihachi | 13–4 | 76.47% |
| ItachiUchiha vs King | 10–6 | 62.50% |
| ItachiUchiha vs Law | 11–3 | 78.57% |
| ItachiUchiha vs Bryan | 8–6 | 57.14% |
| ItachiUchiha vs Lili | 10–4 | 71.43% |
| ItachiUchiha vs Reina | 9–5 | 64.29% |
| ItachiUchiha vs Devil Jin | 10–1 | 90.91% |
| ItachiUchiha vs Claudio | 6–5 | 54.55% |
| ItachiUchiha vs Eddy | 8–1 | 88.89% |
| ItachiUchiha vs Steve | 4–4 | 50.00% |
| ItachiUchiha vs Victor | 6–2 | 75.00% |
| ItachiUchiha vs Xiaoyu | 4–3 | 57.14% |
| ItachiUchiha vs Jack-8 | 3–3 | 50.00% |
| ItachiUchiha vs Dragunov | 6–0 | 100.00% |
| ItachiUchiha vs Panda | 6–0 | 100.00% |
| ItachiUchiha vs Zafina | 4–2 | 66.67% |
| ItachiUchiha vs Yoshimitsu | 4–1 | 80.00% |
| ItachiUchiha vs Alisa | 2–3 | 40.00% |
| ItachiUchiha vs Nina | 4–1 | 80.00% |
| ItachiUchiha vs Leroy | 2–3 | 40.00% |
| ItachiUchiha vs Azucena | 3–2 | 60.00% |
| ItachiUchiha vs Asuka | 3–1 | 75.00% |
| ItachiUchiha vs Feng | 3–1 | 75.00% |
| ItachiUchiha vs Lars | 3–1 | 75.00% |
| ItachiUchiha vs Lee | 2–2 | 50.00% |
| ItachiUchiha vs Kuma | 2–2 | 50.00% |
| ItachiUchiha vs Paul | 1–2 | 33.33% |
| ItachiUchiha vs Lidia | 3–0 | 100.00% |
| ItachiUchiha vs Shaheen | 2–0 | 100.00% |
| ItachiUchiha vs Jun | 2–0 | 100.00% |
| ItachiUchiha vs Raven | 2–0 | 100.00% |
| ItachiUchiha vs Leo | 0–1 | 0.00% |
| ItachiUchiha vs Clive | 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.