| Iliessu vs Jin | 20–13 | 60.61% |
| Iliessu vs Steve | 12–20 | 37.50% |
| Iliessu vs Kazuya | 14–15 | 48.28% |
| Iliessu vs Reina | 13–15 | 46.43% |
| Iliessu vs King | 9–9 | 50.00% |
| Iliessu vs Clive | 9–9 | 50.00% |
| Iliessu vs Lee | 5–8 | 38.46% |
| Iliessu vs Law | 5–7 | 41.67% |
| Iliessu vs Hwoarang | 9–2 | 81.82% |
| Iliessu vs Devil Jin | 6–5 | 54.55% |
| Iliessu vs Azucena | 8–3 | 72.73% |
| Iliessu vs Eddy | 7–4 | 63.64% |
| Iliessu vs Yoshimitsu | 4–6 | 40.00% |
| Iliessu vs Bryan | 1–9 | 10.00% |
| Iliessu vs Lili | 7–3 | 70.00% |
| Iliessu vs Jun | 8–2 | 80.00% |
| Iliessu vs Paul | 3–6 | 33.33% |
| Iliessu vs Dragunov | 2–7 | 22.22% |
| Iliessu vs Nina | 4–5 | 44.44% |
| Iliessu vs Victor | 3–4 | 42.86% |
| Iliessu vs Leo | 1–5 | 16.67% |
| Iliessu vs Shaheen | 4–1 | 80.00% |
| Iliessu vs Lidia | 2–3 | 40.00% |
| Iliessu vs Xiaoyu | 2–2 | 50.00% |
| Iliessu vs Asuka | 2–2 | 50.00% |
| Iliessu vs Feng | 4–0 | 100.00% |
| Iliessu vs Lars | 1–3 | 25.00% |
| Iliessu vs Alisa | 1–3 | 25.00% |
| Iliessu vs Kuma | 0–4 | 0.00% |
| Iliessu vs Raven | 2–2 | 50.00% |
| Iliessu vs Heihachi | 4–0 | 100.00% |
| Iliessu vs Panda | 1–2 | 33.33% |
| Iliessu vs Jack-8 | 2–0 | 100.00% |
| Iliessu vs Claudio | 1–0 | 100.00% |
| Iliessu vs Leroy | 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.