| X_Assassin209 vs King | 38–29 | 56.72% |
| X_Assassin209 vs Fahkumram | 25–37 | 40.32% |
| X_Assassin209 vs Reina | 32–28 | 53.33% |
| X_Assassin209 vs Armor King | 28–28 | 50.00% |
| X_Assassin209 vs Jin | 25–26 | 49.02% |
| X_Assassin209 vs Kazuya | 23–24 | 48.94% |
| X_Assassin209 vs Steve | 27–18 | 60.00% |
| X_Assassin209 vs Dragunov | 16–28 | 36.36% |
| X_Assassin209 vs Heihachi | 15–27 | 35.71% |
| X_Assassin209 vs Law | 18–22 | 45.00% |
| X_Assassin209 vs Azucena | 16–19 | 45.71% |
| X_Assassin209 vs Hwoarang | 11–21 | 34.38% |
| X_Assassin209 vs Bryan | 12–20 | 37.50% |
| X_Assassin209 vs Lili | 10–21 | 32.26% |
| X_Assassin209 vs Victor | 16–15 | 51.61% |
| X_Assassin209 vs Yoshimitsu | 11–16 | 40.74% |
| X_Assassin209 vs Jun | 8–18 | 30.77% |
| X_Assassin209 vs Paul | 11–13 | 45.83% |
| X_Assassin209 vs Eddy | 7–16 | 30.43% |
| X_Assassin209 vs Lidia | 11–11 | 50.00% |
| X_Assassin209 vs Xiaoyu | 7–13 | 35.00% |
| X_Assassin209 vs Nina | 8–11 | 42.11% |
| X_Assassin209 vs Devil Jin | 9–8 | 52.94% |
| X_Assassin209 vs Lars | 3–14 | 17.65% |
| X_Assassin209 vs Alisa | 7–10 | 41.18% |
| X_Assassin209 vs Lee | 12–4 | 75.00% |
| X_Assassin209 vs Leroy | 9–7 | 56.25% |
| X_Assassin209 vs Raven | 7–7 | 50.00% |
| X_Assassin209 vs Jack-8 | 6–6 | 50.00% |
| X_Assassin209 vs Asuka | 8–4 | 66.67% |
| X_Assassin209 vs Claudio | 4–7 | 36.36% |
| X_Assassin209 vs Feng | 4–5 | 44.44% |
| X_Assassin209 vs Anna | 2–6 | 25.00% |
| X_Assassin209 vs Clive | 4–3 | 57.14% |
| X_Assassin209 vs Zafina | 1–5 | 16.67% |
| X_Assassin209 vs Miary Zo | 4–2 | 66.67% |
| X_Assassin209 vs Shaheen | 2–3 | 40.00% |
| X_Assassin209 vs Kuma | 1–4 | 20.00% |
| X_Assassin209 vs Leo | 0–4 | 0.00% |
| X_Assassin209 vs Panda | 0–3 | 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.