| kefka vs Bryan | 89–59 | 60.14% |
| kefka vs Kazuya | 74–60 | 55.22% |
| kefka vs Hwoarang | 89–37 | 70.63% |
| kefka vs Reina | 71–54 | 56.80% |
| kefka vs Jin | 70–49 | 58.82% |
| kefka vs Dragunov | 66–49 | 57.39% |
| kefka vs Paul | 68–44–1 | 60.71% |
| kefka vs Yoshimitsu | 59–54 | 52.21% |
| kefka vs Steve | 66–40 | 62.26% |
| kefka vs King | 59–44 | 57.28% |
| kefka vs Feng | 47–52 | 47.47% |
| kefka vs Nina | 50–42 | 54.35% |
| kefka vs Asuka | 48–41 | 53.93% |
| kefka vs Lili | 46–37 | 55.42% |
| kefka vs Lars | 41–41 | 50.00% |
| kefka vs Law | 45–36 | 55.56% |
| kefka vs Claudio | 45–30–1 | 60.00% |
| kefka vs Victor | 39–36 | 52.00% |
| kefka vs Jun | 31–41 | 43.06% |
| kefka vs Devil Jin | 34–37 | 47.89% |
| kefka vs Leo | 35–35 | 50.00% |
| kefka vs Jack-8 | 36–33 | 52.17% |
| kefka vs Lee | 33–36 | 47.83% |
| kefka vs Lidia | 30–38 | 44.12% |
| kefka vs Alisa | 42–23 | 64.62% |
| kefka vs Heihachi | 37–27 | 57.81% |
| kefka vs Azucena | 32–28 | 53.33% |
| kefka vs Leroy | 30–23 | 56.60% |
| kefka vs Xiaoyu | 27–25 | 51.92% |
| kefka vs Anna | 24–28 | 46.15% |
| kefka vs Eddy | 29–20 | 59.18% |
| kefka vs Shaheen | 29–19 | 60.42% |
| kefka vs Kuma | 20–20 | 50.00% |
| kefka vs Clive | 22–18 | 55.00% |
| kefka vs Miary Zo | 19–21 | 47.50% |
| kefka vs Raven | 21–15 | 58.33% |
| kefka vs Zafina | 18–13 | 58.06% |
| kefka vs Armor King | 18–13 | 58.06% |
| kefka vs Fahkumram | 16–9 | 64.00% |
| kefka vs Panda | 6–14 | 30.00% |
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.