| Kosono vs Hwoarang | 55–46 | 54.46% |
| Kosono vs Reina | 61–39 | 61.00% |
| Kosono vs Kazuya | 42–47 | 47.19% |
| Kosono vs Steve | 37–45 | 45.12% |
| Kosono vs Jin | 29–52 | 35.80% |
| Kosono vs King | 26–52 | 33.33% |
| Kosono vs Heihachi | 34–41 | 45.33% |
| Kosono vs Lili | 34–35 | 49.28% |
| Kosono vs Dragunov | 34–29 | 53.97% |
| Kosono vs Bryan | 25–34 | 42.37% |
| Kosono vs Lidia | 24–33 | 42.11% |
| Kosono vs Law | 18–37 | 32.73% |
| Kosono vs Yoshimitsu | 24–31 | 43.64% |
| Kosono vs Victor | 17–32 | 34.69% |
| Kosono vs Clive | 22–26 | 45.83% |
| Kosono vs Jun | 22–21 | 51.16% |
| Kosono vs Nina | 13–26 | 33.33% |
| Kosono vs Asuka | 15–20 | 42.86% |
| Kosono vs Devil Jin | 9–26 | 25.71% |
| Kosono vs Azucena | 13–22 | 37.14% |
| Kosono vs Lee | 13–14 | 48.15% |
| Kosono vs Lars | 12–14 | 46.15% |
| Kosono vs Paul | 9–15 | 37.50% |
| Kosono vs Xiaoyu | 6–16 | 27.27% |
| Kosono vs Feng | 7–15 | 31.82% |
| Kosono vs Alisa | 5–17 | 22.73% |
| Kosono vs Zafina | 5–15 | 25.00% |
| Kosono vs Leo | 8–10 | 44.44% |
| Kosono vs Panda | 7–9 | 43.75% |
| Kosono vs Claudio | 6–9 | 40.00% |
| Kosono vs Kuma | 3–12 | 20.00% |
| Kosono vs Jack-8 | 2–12 | 14.29% |
| Kosono vs Leroy | 6–7 | 46.15% |
| Kosono vs Eddy | 0–11 | 0.00% |
| Kosono vs Shaheen | 4–5 | 44.44% |
| Kosono vs Fahkumram | 2–5 | 28.57% |
| Kosono vs Armor King | 3–2 | 60.00% |
| Kosono vs Raven | 3–1 | 75.00% |
| Kosono vs Anna | 0–3 | 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.