| Assassen vs King | 19–28 | 40.43% |
| Assassen vs Jin | 26–12 | 68.42% |
| Assassen vs Eddy | 16–14 | 53.33% |
| Assassen vs Hwoarang | 18–11 | 62.07% |
| Assassen vs Kazuya | 13–14 | 48.15% |
| Assassen vs Reina | 11–13 | 45.83% |
| Assassen vs Jun | 12–10 | 54.55% |
| Assassen vs Steve | 11–9 | 55.00% |
| Assassen vs Azucena | 11–8 | 57.89% |
| Assassen vs Law | 12–5 | 70.59% |
| Assassen vs Asuka | 7–6 | 53.85% |
| Assassen vs Lee | 6–7 | 46.15% |
| Assassen vs Devil Jin | 4–8 | 33.33% |
| Assassen vs Raven | 6–6 | 50.00% |
| Assassen vs Victor | 4–7 | 36.36% |
| Assassen vs Yoshimitsu | 5–4 | 55.56% |
| Assassen vs Bryan | 2–7 | 22.22% |
| Assassen vs Jack-8 | 4–5 | 44.44% |
| Assassen vs Paul | 3–5 | 37.50% |
| Assassen vs Lars | 3–5 | 37.50% |
| Assassen vs Xiaoyu | 5–2 | 71.43% |
| Assassen vs Claudio | 4–3 | 57.14% |
| Assassen vs Lili | 2–4 | 33.33% |
| Assassen vs Leo | 3–3 | 50.00% |
| Assassen vs Kuma | 2–4 | 33.33% |
| Assassen vs Dragunov | 3–2 | 60.00% |
| Assassen vs Alisa | 2–3 | 40.00% |
| Assassen vs Leroy | 2–3 | 40.00% |
| Assassen vs Shaheen | 2–2 | 50.00% |
| Assassen vs Lidia | 4–0 | 100.00% |
| Assassen vs Feng | 2–1 | 66.67% |
| Assassen vs Nina | 1–1 | 50.00% |
| Assassen vs Miary Zo | 2–0 | 100.00% |
| Assassen vs Panda | 0–1 | 0.00% |
| Assassen vs Zafina | 0–1 | 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.