| KIairios vs Reina | 19–16 | 54.29% |
| KIairios vs King | 15–16 | 48.39% |
| KIairios vs Bryan | 19–12 | 61.29% |
| KIairios vs Armor King | 20–10 | 66.67% |
| KIairios vs Kazuya | 16–12 | 57.14% |
| KIairios vs Jin | 15–7 | 68.18% |
| KIairios vs Steve | 18–4 | 81.82% |
| KIairios vs Heihachi | 11–10 | 52.38% |
| KIairios vs Law | 13–7 | 65.00% |
| KIairios vs Azucena | 9–11 | 45.00% |
| KIairios vs Fahkumram | 9–11 | 45.00% |
| KIairios vs Lars | 13–5 | 72.22% |
| KIairios vs Asuka | 10–6 | 62.50% |
| KIairios vs Victor | 10–5 | 66.67% |
| KIairios vs Dragunov | 8–6 | 57.14% |
| KIairios vs Eddy | 6–7 | 46.15% |
| KIairios vs Anna | 5–6 | 45.45% |
| KIairios vs Paul | 9–1 | 90.00% |
| KIairios vs Devil Jin | 5–5 | 50.00% |
| KIairios vs Feng | 6–3 | 66.67% |
| KIairios vs Yoshimitsu | 7–1 | 87.50% |
| KIairios vs Hwoarang | 7–1 | 87.50% |
| KIairios vs Lee | 4–3 | 57.14% |
| KIairios vs Xiaoyu | 4–2 | 66.67% |
| KIairios vs Claudio | 5–1 | 83.33% |
| KIairios vs Kuma | 5–1 | 83.33% |
| KIairios vs Lidia | 4–2 | 66.67% |
| KIairios vs Lili | 4–1 | 80.00% |
| KIairios vs Leroy | 3–2 | 60.00% |
| KIairios vs Jun | 3–2 | 60.00% |
| KIairios vs Raven | 1–4 | 20.00% |
| KIairios vs Nina | 4–0 | 100.00% |
| KIairios vs Clive | 4–0 | 100.00% |
| KIairios vs Shaheen | 1–2 | 33.33% |
| KIairios vs Jack-8 | 2–0 | 100.00% |
| KIairios vs Leo | 2–0 | 100.00% |
| KIairios vs Alisa | 2–0 | 100.00% |
| KIairios vs Panda | 2–0 | 100.00% |
| KIairios vs Zafina | 2–0 | 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.