| Kofiboy vs Reina | 40–51 | 43.96% |
| Kofiboy vs Jin | 31–53 | 36.90% |
| Kofiboy vs King | 34–44 | 43.59% |
| Kofiboy vs Kazuya | 32–44 | 42.11% |
| Kofiboy vs Hwoarang | 37–36 | 50.68% |
| Kofiboy vs Law | 24–47 | 33.80% |
| Kofiboy vs Yoshimitsu | 21–30 | 41.18% |
| Kofiboy vs Bryan | 20–28 | 41.67% |
| Kofiboy vs Steve | 18–27 | 40.00% |
| Kofiboy vs Paul | 16–23 | 41.03% |
| Kofiboy vs Jun | 19–19 | 50.00% |
| Kofiboy vs Lidia | 13–25 | 34.21% |
| Kofiboy vs Dragunov | 13–23 | 36.11% |
| Kofiboy vs Eddy | 11–23 | 32.35% |
| Kofiboy vs Xiaoyu | 13–18 | 41.94% |
| Kofiboy vs Lili | 15–15 | 50.00% |
| Kofiboy vs Victor | 10–20 | 33.33% |
| Kofiboy vs Lars | 17–12 | 58.62% |
| Kofiboy vs Feng | 11–13 | 45.83% |
| Kofiboy vs Claudio | 12–12 | 50.00% |
| Kofiboy vs Azucena | 7–14 | 33.33% |
| Kofiboy vs Asuka | 12–7 | 63.16% |
| Kofiboy vs Nina | 8–11 | 42.11% |
| Kofiboy vs Heihachi | 8–10 | 44.44% |
| Kofiboy vs Devil Jin | 8–9 | 47.06% |
| Kofiboy vs Alisa | 6–10 | 37.50% |
| Kofiboy vs Panda | 4–10 | 28.57% |
| Kofiboy vs Shaheen | 4–6 | 40.00% |
| Kofiboy vs Lee | 4–6 | 40.00% |
| Kofiboy vs Kuma | 1–9 | 10.00% |
| Kofiboy vs Raven | 3–7 | 30.00% |
| Kofiboy vs Jack-8 | 4–5 | 44.44% |
| Kofiboy vs Zafina | 2–5 | 28.57% |
| Kofiboy vs Leroy | 4–3 | 57.14% |
| Kofiboy vs Leo | 0–5 | 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.