| Killassdee vs Kazuya | 37–41 | 47.44% |
| Killassdee vs King | 28–41 | 40.58% |
| Killassdee vs Jin | 35–25 | 58.33% |
| Killassdee vs Law | 19–32 | 37.25% |
| Killassdee vs Heihachi | 20–27 | 42.55% |
| Killassdee vs Bryan | 12–34 | 26.09% |
| Killassdee vs Steve | 17–24 | 41.46% |
| Killassdee vs Reina | 22–18 | 55.00% |
| Killassdee vs Hwoarang | 17–22 | 43.59% |
| Killassdee vs Azucena | 17–15 | 53.12% |
| Killassdee vs Lee | 17–11 | 60.71% |
| Killassdee vs Eddy | 8–19 | 29.63% |
| Killassdee vs Xiaoyu | 11–14 | 44.00% |
| Killassdee vs Lili | 7–18 | 28.00% |
| Killassdee vs Paul | 4–18 | 18.18% |
| Killassdee vs Lidia | 11–10 | 52.38% |
| Killassdee vs Yoshimitsu | 4–14 | 22.22% |
| Killassdee vs Asuka | 8–10 | 44.44% |
| Killassdee vs Jun | 3–14 | 17.65% |
| Killassdee vs Victor | 9–8 | 52.94% |
| Killassdee vs Dragunov | 5–11 | 31.25% |
| Killassdee vs Anna | 10–5 | 66.67% |
| Killassdee vs Lars | 5–8 | 38.46% |
| Killassdee vs Alisa | 5–8 | 38.46% |
| Killassdee vs Leroy | 4–9 | 30.77% |
| Killassdee vs Raven | 5–8 | 38.46% |
| Killassdee vs Devil Jin | 5–7 | 41.67% |
| Killassdee vs Nina | 6–6 | 50.00% |
| Killassdee vs Shaheen | 4–7 | 36.36% |
| Killassdee vs Fahkumram | 4–5 | 44.44% |
| Killassdee vs Jack-8 | 3–4 | 42.86% |
| Killassdee vs Feng | 2–5 | 28.57% |
| Killassdee vs Claudio | 2–5 | 28.57% |
| Killassdee vs Kuma | 2–3 | 40.00% |
| Killassdee vs Zafina | 2–3 | 40.00% |
| Killassdee vs Clive | 1–4 | 20.00% |
| Killassdee vs Leo | 0–1 | 0.00% |
| Killassdee vs Panda | 0–1 | 0.00% |
| Killassdee vs Armor King | 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.