| KingKosi vs Kazuya | 8–13 | 38.10% |
| KingKosi vs King | 6–7 | 46.15% |
| KingKosi vs Reina | 4–8 | 33.33% |
| KingKosi vs Shaheen | 5–6 | 45.45% |
| KingKosi vs Bryan | 3–7 | 30.00% |
| KingKosi vs Jin | 3–6 | 33.33% |
| KingKosi vs Yoshimitsu | 6–2 | 75.00% |
| KingKosi vs Jun | 7–0 | 100.00% |
| KingKosi vs Azucena | 5–1 | 83.33% |
| KingKosi vs Eddy | 3–3 | 50.00% |
| KingKosi vs Law | 0–5 | 0.00% |
| KingKosi vs Hwoarang | 3–2 | 60.00% |
| KingKosi vs Lili | 3–2 | 60.00% |
| KingKosi vs Victor | 1–3 | 25.00% |
| KingKosi vs Paul | 1–2 | 33.33% |
| KingKosi vs Asuka | 2–1 | 66.67% |
| KingKosi vs Devil Jin | 1–2 | 33.33% |
| KingKosi vs Dragunov | 0–3 | 0.00% |
| KingKosi vs Lee | 0–3 | 0.00% |
| KingKosi vs Leroy | 1–2 | 33.33% |
| KingKosi vs Xiaoyu | 2–0 | 100.00% |
| KingKosi vs Steve | 1–1 | 50.00% |
| KingKosi vs Feng | 0–2 | 0.00% |
| KingKosi vs Kuma | 0–2 | 0.00% |
| KingKosi vs Raven | 1–1 | 50.00% |
| KingKosi vs Lidia | 2–0 | 100.00% |
| KingKosi vs Jack-8 | 0–1 | 0.00% |
| KingKosi vs Nina | 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.