| Koszilla vs King | 8–17 | 32.00% |
| Koszilla vs Reina | 13–9 | 59.09% |
| Koszilla vs Hwoarang | 12–6 | 66.67% |
| Koszilla vs Steve | 10–8 | 55.56% |
| Koszilla vs Lili | 5–8 | 38.46% |
| Koszilla vs Kazuya | 2–10 | 16.67% |
| Koszilla vs Jin | 3–7 | 30.00% |
| Koszilla vs Eddy | 4–6 | 40.00% |
| Koszilla vs Yoshimitsu | 5–4 | 55.56% |
| Koszilla vs Law | 1–7 | 12.50% |
| Koszilla vs Victor | 1–7 | 12.50% |
| Koszilla vs Bryan | 1–6 | 14.29% |
| Koszilla vs Devil Jin | 2–5 | 28.57% |
| Koszilla vs Nina | 4–3 | 57.14% |
| Koszilla vs Jun | 4–3 | 57.14% |
| Koszilla vs Asuka | 2–4 | 33.33% |
| Koszilla vs Dragunov | 6–0 | 100.00% |
| Koszilla vs Lee | 2–4 | 33.33% |
| Koszilla vs Jack-8 | 3–2 | 60.00% |
| Koszilla vs Shaheen | 0–4 | 0.00% |
| Koszilla vs Azucena | 4–0 | 100.00% |
| Koszilla vs Feng | 0–3 | 0.00% |
| Koszilla vs Leo | 0–3 | 0.00% |
| Koszilla vs Raven | 2–1 | 66.67% |
| Koszilla vs Alisa | 0–2 | 0.00% |
| Koszilla vs Lidia | 2–0 | 100.00% |
| Koszilla vs Clive | 2–0 | 100.00% |
| Koszilla vs Xiaoyu | 1–0 | 100.00% |
| Koszilla vs Lars | 0–1 | 0.00% |
| Koszilla vs Leroy | 0–1 | 0.00% |
| Koszilla vs Anna | 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.