| KOOOOOOOOO vs Steve | 71–57 | 55.47% |
| KOOOOOOOOO vs Reina | 74–53 | 58.27% |
| KOOOOOOOOO vs King | 55–63 | 46.61% |
| KOOOOOOOOO vs Jin | 51–63 | 44.74% |
| KOOOOOOOOO vs Kazuya | 49–55 | 47.12% |
| KOOOOOOOOO vs Eddy | 29–50 | 36.71% |
| KOOOOOOOOO vs Yoshimitsu | 47–31 | 60.26% |
| KOOOOOOOOO vs Law | 35–42 | 45.45% |
| KOOOOOOOOO vs Dragunov | 32–41 | 43.84% |
| KOOOOOOOOO vs Asuka | 30–37 | 44.78% |
| KOOOOOOOOO vs Hwoarang | 29–37 | 43.94% |
| KOOOOOOOOO vs Bryan | 20–46 | 30.30% |
| KOOOOOOOOO vs Jun | 37–29 | 56.06% |
| KOOOOOOOOO vs Lars | 31–34 | 47.69% |
| KOOOOOOOOO vs Lee | 23–35 | 39.66% |
| KOOOOOOOOO vs Azucena | 26–28 | 48.15% |
| KOOOOOOOOO vs Feng | 19–31 | 38.00% |
| KOOOOOOOOO vs Lili | 15–34 | 30.61% |
| KOOOOOOOOO vs Nina | 21–25 | 45.65% |
| KOOOOOOOOO vs Heihachi | 17–23 | 42.50% |
| KOOOOOOOOO vs Paul | 13–25 | 34.21% |
| KOOOOOOOOO vs Armor King | 19–17 | 52.78% |
| KOOOOOOOOO vs Alisa | 17–18 | 48.57% |
| KOOOOOOOOO vs Victor | 10–24 | 29.41% |
| KOOOOOOOOO vs Jack-8 | 16–17 | 48.48% |
| KOOOOOOOOO vs Xiaoyu | 13–17 | 43.33% |
| KOOOOOOOOO vs Raven | 13–17 | 43.33% |
| KOOOOOOOOO vs Lidia | 19–10 | 65.52% |
| KOOOOOOOOO vs Leo | 11–16 | 40.74% |
| KOOOOOOOOO vs Clive | 6–21 | 22.22% |
| KOOOOOOOOO vs Devil Jin | 16–9 | 64.00% |
| KOOOOOOOOO vs Zafina | 15–10 | 60.00% |
| KOOOOOOOOO vs Claudio | 8–14 | 36.36% |
| KOOOOOOOOO vs Fahkumram | 14–6 | 70.00% |
| KOOOOOOOOO vs Shaheen | 9–9 | 50.00% |
| KOOOOOOOOO vs Leroy | 12–5 | 70.59% |
| KOOOOOOOOO vs Anna | 7–9 | 43.75% |
| KOOOOOOOOO vs Kuma | 4–11 | 26.67% |
| KOOOOOOOOO vs Panda | 7–7 | 50.00% |
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.