| Koshki vs Reina | 14–24 | 36.84% |
| Koshki vs Lidia | 18–20 | 47.37% |
| Koshki vs Jin | 15–22 | 40.54% |
| Koshki vs King | 12–13 | 48.00% |
| Koshki vs Azucena | 13–9 | 59.09% |
| Koshki vs Steve | 10–9 | 52.63% |
| Koshki vs Kazuya | 11–7 | 61.11% |
| Koshki vs Lili | 8–8 | 50.00% |
| Koshki vs Dragunov | 4–11 | 26.67% |
| Koshki vs Paul | 5–9 | 35.71% |
| Koshki vs Devil Jin | 6–8 | 42.86% |
| Koshki vs Jun | 6–7 | 46.15% |
| Koshki vs Feng | 7–5 | 58.33% |
| Koshki vs Eddy | 4–8 | 33.33% |
| Koshki vs Asuka | 5–5 | 50.00% |
| Koshki vs Xiaoyu | 3–6 | 33.33% |
| Koshki vs Hwoarang | 3–5 | 37.50% |
| Koshki vs Kuma | 4–4 | 50.00% |
| Koshki vs Raven | 4–4 | 50.00% |
| Koshki vs Bryan | 3–4 | 42.86% |
| Koshki vs Lars | 4–3 | 57.14% |
| Koshki vs Alisa | 5–2 | 71.43% |
| Koshki vs Yoshimitsu | 3–3 | 50.00% |
| Koshki vs Leo | 3–3 | 50.00% |
| Koshki vs Nina | 2–4 | 33.33% |
| Koshki vs Law | 1–4 | 20.00% |
| Koshki vs Claudio | 1–4 | 20.00% |
| Koshki vs Shaheen | 2–3 | 40.00% |
| Koshki vs Victor | 1–4 | 20.00% |
| Koshki vs Jack-8 | 2–2 | 50.00% |
| Koshki vs Lee | 0–3 | 0.00% |
| Koshki vs Leroy | 0–3 | 0.00% |
| Koshki vs Zafina | 0–2 | 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.