| KillHeart vs King | 12–14 | 46.15% |
| KillHeart vs Hwoarang | 12–5 | 70.59% |
| KillHeart vs Dragunov | 4–12 | 25.00% |
| KillHeart vs Jin | 8–6 | 57.14% |
| KillHeart vs Steve | 3–7 | 30.00% |
| KillHeart vs Victor | 2–7 | 22.22% |
| KillHeart vs Lars | 5–3 | 62.50% |
| KillHeart vs Bryan | 4–3 | 57.14% |
| KillHeart vs Raven | 4–3 | 57.14% |
| KillHeart vs Paul | 3–3 | 50.00% |
| KillHeart vs Law | 2–4 | 33.33% |
| KillHeart vs Reina | 3–3 | 50.00% |
| KillHeart vs Eddy | 3–3 | 50.00% |
| KillHeart vs Yoshimitsu | 2–3 | 40.00% |
| KillHeart vs Alisa | 3–2 | 60.00% |
| KillHeart vs Azucena | 2–3 | 40.00% |
| KillHeart vs Anna | 4–1 | 80.00% |
| KillHeart vs Xiaoyu | 2–1 | 66.67% |
| KillHeart vs Asuka | 1–2 | 33.33% |
| KillHeart vs Devil Jin | 1–2 | 33.33% |
| KillHeart vs Lili | 1–2 | 33.33% |
| KillHeart vs Leo | 1–2 | 33.33% |
| KillHeart vs Heihachi | 1–2 | 33.33% |
| KillHeart vs Kazuya | 2–0 | 100.00% |
| KillHeart vs Kuma | 1–1 | 50.00% |
| KillHeart vs Jun | 2–0 | 100.00% |
| KillHeart vs Lidia | 1–1 | 50.00% |
| KillHeart vs Claudio | 0–1 | 0.00% |
| KillHeart vs Nina | 1–0 | 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.