| Illyria vs Dragunov | 13–0 | 100.00% |
| Illyria vs Jin | 10–2 | 83.33% |
| Illyria vs Kazuya | 12–0 | 100.00% |
| Illyria vs Reina | 9–2 | 81.82% |
| Illyria vs Clive | 7–4 | 63.64% |
| Illyria vs King | 6–3 | 66.67% |
| Illyria vs Bryan | 7–1 | 87.50% |
| Illyria vs Asuka | 8–0 | 100.00% |
| Illyria vs Lee | 3–4 | 42.86% |
| Illyria vs Lili | 6–0 | 100.00% |
| Illyria vs Paul | 5–0 | 100.00% |
| Illyria vs Yoshimitsu | 5–0 | 100.00% |
| Illyria vs Hwoarang | 3–2 | 60.00% |
| Illyria vs Panda | 4–1 | 80.00% |
| Illyria vs Victor | 3–2 | 60.00% |
| Illyria vs Law | 4–0 | 100.00% |
| Illyria vs Devil Jin | 4–0 | 100.00% |
| Illyria vs Leo | 3–1 | 75.00% |
| Illyria vs Lars | 4–0 | 100.00% |
| Illyria vs Eddy | 3–1 | 75.00% |
| Illyria vs Claudio | 3–0 | 100.00% |
| Illyria vs Nina | 2–1 | 66.67% |
| Illyria vs Jun | 3–0 | 100.00% |
| Illyria vs Xiaoyu | 2–0 | 100.00% |
| Illyria vs Steve | 2–0 | 100.00% |
| Illyria vs Feng | 1–1 | 50.00% |
| Illyria vs Alisa | 2–0 | 100.00% |
| Illyria vs Shaheen | 2–0 | 100.00% |
| Illyria vs Raven | 2–0 | 100.00% |
| Illyria vs Lidia | 1–1 | 50.00% |
| Illyria vs Heihachi | 2–0 | 100.00% |
| Illyria vs Jack-8 | 1–0 | 100.00% |
| Illyria vs Kuma | 1–0 | 100.00% |
| Illyria vs Leroy | 0–1 | 0.00% |
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.