| Ko_Ken_ova9k vs King | 9–37 | 19.57% |
| Ko_Ken_ova9k vs Reina | 25–15 | 62.50% |
| Ko_Ken_ova9k vs Victor | 18–22 | 45.00% |
| Ko_Ken_ova9k vs Lili | 21–15 | 58.33% |
| Ko_Ken_ova9k vs Jin | 13–22 | 37.14% |
| Ko_Ken_ova9k vs Jun | 16–19 | 45.71% |
| Ko_Ken_ova9k vs Hwoarang | 16–13 | 55.17% |
| Ko_Ken_ova9k vs Eddy | 10–19 | 34.48% |
| Ko_Ken_ova9k vs Steve | 15–12 | 55.56% |
| Ko_Ken_ova9k vs Azucena | 13–14 | 48.15% |
| Ko_Ken_ova9k vs Law | 15–11 | 57.69% |
| Ko_Ken_ova9k vs Nina | 12–14 | 46.15% |
| Ko_Ken_ova9k vs Kazuya | 7–17 | 29.17% |
| Ko_Ken_ova9k vs Dragunov | 12–11 | 52.17% |
| Ko_Ken_ova9k vs Devil Jin | 11–8 | 57.89% |
| Ko_Ken_ova9k vs Leroy | 13–6 | 68.42% |
| Ko_Ken_ova9k vs Claudio | 9–9 | 50.00% |
| Ko_Ken_ova9k vs Leo | 8–9 | 47.06% |
| Ko_Ken_ova9k vs Yoshimitsu | 7–9 | 43.75% |
| Ko_Ken_ova9k vs Bryan | 9–7 | 56.25% |
| Ko_Ken_ova9k vs Lars | 5–11 | 31.25% |
| Ko_Ken_ova9k vs Xiaoyu | 6–9 | 40.00% |
| Ko_Ken_ova9k vs Asuka | 8–7 | 53.33% |
| Ko_Ken_ova9k vs Lidia | 9–6 | 60.00% |
| Ko_Ken_ova9k vs Paul | 4–10 | 28.57% |
| Ko_Ken_ova9k vs Alisa | 8–6 | 57.14% |
| Ko_Ken_ova9k vs Zafina | 9–3 | 75.00% |
| Ko_Ken_ova9k vs Lee | 3–7 | 30.00% |
| Ko_Ken_ova9k vs Raven | 10–0 | 100.00% |
| Ko_Ken_ova9k vs Feng | 3–5 | 37.50% |
| Ko_Ken_ova9k vs Clive | 1–5 | 16.67% |
| Ko_Ken_ova9k vs Heihachi | 3–2 | 60.00% |
| Ko_Ken_ova9k vs Shaheen | 0–4 | 0.00% |
| Ko_Ken_ova9k vs Jack-8 | 1–2 | 33.33% |
| Ko_Ken_ova9k vs Panda | 2–0 | 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.