| Iso Kasi vs Jin | 20–19 | 51.28% |
| Iso Kasi vs King | 17–16 | 51.52% |
| Iso Kasi vs Hwoarang | 13–11 | 54.17% |
| Iso Kasi vs Kazuya | 6–18 | 25.00% |
| Iso Kasi vs Law | 11–10 | 52.38% |
| Iso Kasi vs Bryan | 15–6 | 71.43% |
| Iso Kasi vs Reina | 9–12 | 42.86% |
| Iso Kasi vs Dragunov | 9–11 | 45.00% |
| Iso Kasi vs Steve | 9–8 | 52.94% |
| Iso Kasi vs Lili | 6–10 | 37.50% |
| Iso Kasi vs Devil Jin | 4–10 | 28.57% |
| Iso Kasi vs Yoshimitsu | 10–3 | 76.92% |
| Iso Kasi vs Claudio | 6–7 | 46.15% |
| Iso Kasi vs Azucena | 4–9 | 30.77% |
| Iso Kasi vs Paul | 2–10 | 16.67% |
| Iso Kasi vs Asuka | 4–8 | 33.33% |
| Iso Kasi vs Lee | 7–5 | 58.33% |
| Iso Kasi vs Jun | 4–7 | 36.36% |
| Iso Kasi vs Heihachi | 6–5 | 54.55% |
| Iso Kasi vs Alisa | 7–3 | 70.00% |
| Iso Kasi vs Leroy | 6–4 | 60.00% |
| Iso Kasi vs Clive | 3–7 | 30.00% |
| Iso Kasi vs Jack-8 | 3–5 | 37.50% |
| Iso Kasi vs Xiaoyu | 3–4 | 42.86% |
| Iso Kasi vs Feng | 1–6 | 14.29% |
| Iso Kasi vs Nina | 3–4 | 42.86% |
| Iso Kasi vs Eddy | 2–5 | 28.57% |
| Iso Kasi vs Anna | 6–1 | 85.71% |
| Iso Kasi vs Armor King | 4–3 | 57.14% |
| Iso Kasi vs Lidia | 4–1 | 80.00% |
| Iso Kasi vs Shaheen | 2–1 | 66.67% |
| Iso Kasi vs Victor | 2–1 | 66.67% |
| Iso Kasi vs Raven | 1–2 | 33.33% |
| Iso Kasi vs Lars | 1–1 | 50.00% |
| Iso Kasi vs Leo | 0–1 | 0.00% |
| Iso Kasi vs Kuma | 0–1 | 0.00% |
| Iso Kasi vs Panda | 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.