| IzayaK vs Kazuya | 10–9 | 52.63% |
| IzayaK vs Reina | 13–5 | 72.22% |
| IzayaK vs Heihachi | 10–6 | 62.50% |
| IzayaK vs King | 10–5 | 66.67% |
| IzayaK vs Lili | 6–8 | 42.86% |
| IzayaK vs Jun | 6–8 | 42.86% |
| IzayaK vs Steve | 10–3 | 76.92% |
| IzayaK vs Bryan | 7–5 | 58.33% |
| IzayaK vs Lidia | 9–3 | 75.00% |
| IzayaK vs Jin | 4–6 | 40.00% |
| IzayaK vs Eddy | 6–3 | 66.67% |
| IzayaK vs Yoshimitsu | 4–4 | 50.00% |
| IzayaK vs Victor | 5–3 | 62.50% |
| IzayaK vs Nina | 5–2 | 71.43% |
| IzayaK vs Kuma | 4–2 | 66.67% |
| IzayaK vs Law | 2–3 | 40.00% |
| IzayaK vs Hwoarang | 3–2 | 60.00% |
| IzayaK vs Xiaoyu | 2–3 | 40.00% |
| IzayaK vs Feng | 2–3 | 40.00% |
| IzayaK vs Dragunov | 3–2 | 60.00% |
| IzayaK vs Alisa | 4–1 | 80.00% |
| IzayaK vs Azucena | 2–3 | 40.00% |
| IzayaK vs Devil Jin | 3–1 | 75.00% |
| IzayaK vs Leroy | 3–1 | 75.00% |
| IzayaK vs Asuka | 2–1 | 66.67% |
| IzayaK vs Lars | 2–1 | 66.67% |
| IzayaK vs Lee | 1–2 | 33.33% |
| IzayaK vs Zafina | 2–1 | 66.67% |
| IzayaK vs Claudio | 0–2 | 0.00% |
| IzayaK vs Shaheen | 1–1 | 50.00% |
| IzayaK vs Raven | 2–0 | 100.00% |
| IzayaK vs Anna | 2–0 | 100.00% |
| IzayaK vs Fahkumram | 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.