| Itachi vs Heihachi | 13–16 | 44.83% |
| Itachi vs King | 17–10 | 62.96% |
| Itachi vs Jin | 11–4 | 73.33% |
| Itachi vs Feng | 10–5 | 66.67% |
| Itachi vs Hwoarang | 9–4 | 69.23% |
| Itachi vs Law | 5–7 | 41.67% |
| Itachi vs Bryan | 8–4 | 66.67% |
| Itachi vs Dragunov | 5–6 | 45.45% |
| Itachi vs Kazuya | 6–4 | 60.00% |
| Itachi vs Yoshimitsu | 5–4 | 55.56% |
| Itachi vs Nina | 3–5 | 37.50% |
| Itachi vs Lee | 4–3 | 57.14% |
| Itachi vs Eddy | 3–3 | 50.00% |
| Itachi vs Lars | 3–2 | 60.00% |
| Itachi vs Reina | 3–2 | 60.00% |
| Itachi vs Victor | 1–4 | 20.00% |
| Itachi vs Clive | 2–3 | 40.00% |
| Itachi vs Paul | 2–2 | 50.00% |
| Itachi vs Steve | 0–3 | 0.00% |
| Itachi vs Jack-8 | 2–1 | 66.67% |
| Itachi vs Devil Jin | 1–2 | 33.33% |
| Itachi vs Lili | 3–0 | 100.00% |
| Itachi vs Alisa | 3–0 | 100.00% |
| Itachi vs Raven | 0–3 | 0.00% |
| Itachi vs Lidia | 1–2 | 33.33% |
| Itachi vs Xiaoyu | 2–0 | 100.00% |
| Itachi vs Leo | 0–2 | 0.00% |
| Itachi vs Kuma | 1–1 | 50.00% |
| Itachi vs Leroy | 0–2 | 0.00% |
| Itachi vs Jun | 0–2 | 0.00% |
| Itachi vs Asuka | 0–1 | 0.00% |
| Itachi vs Claudio | 0–1 | 0.00% |
| Itachi vs Shaheen | 0–1 | 0.00% |
| Itachi vs Panda | 0–1 | 0.00% |
| Itachi vs Zafina | 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.