| Hidden_Assassin vs Jin | 238–231 | 50.75% |
| Hidden_Assassin vs King | 203–211 | 49.03% |
| Hidden_Assassin vs Hwoarang | 221–171 | 56.38% |
| Hidden_Assassin vs Kazuya | 209–183 | 53.32% |
| Hidden_Assassin vs Bryan | 155–211 | 42.35% |
| Hidden_Assassin vs Law | 175–182 | 49.02% |
| Hidden_Assassin vs Lili | 201–149 | 57.43% |
| Hidden_Assassin vs Steve | 189–154 | 55.10% |
| Hidden_Assassin vs Reina | 147–121 | 54.85% |
| Hidden_Assassin vs Paul | 116–131 | 46.96% |
| Hidden_Assassin vs Yoshimitsu | 123–118 | 51.04% |
| Hidden_Assassin vs Lee | 118–120 | 49.58% |
| Hidden_Assassin vs Lars | 115–119 | 49.15% |
| Hidden_Assassin vs Azucena | 109–120 | 47.60% |
| Hidden_Assassin vs Eddy | 110–113 | 49.33% |
| Hidden_Assassin vs Dragunov | 105–117 | 47.30% |
| Hidden_Assassin vs Nina | 122–94 | 56.48% |
| Hidden_Assassin vs Xiaoyu | 98–117 | 45.58% |
| Hidden_Assassin vs Asuka | 118–93 | 55.92% |
| Hidden_Assassin vs Jun | 92–104 | 46.94% |
| Hidden_Assassin vs Feng | 108–87 | 55.38% |
| Hidden_Assassin vs Alisa | 112–82 | 57.73% |
| Hidden_Assassin vs Raven | 85–94 | 47.49% |
| Hidden_Assassin vs Victor | 83–87 | 48.82% |
| Hidden_Assassin vs Leo | 78–78 | 50.00% |
| Hidden_Assassin vs Heihachi | 62–94 | 39.74% |
| Hidden_Assassin vs Leroy | 68–72 | 48.57% |
| Hidden_Assassin vs Devil Jin | 73–64 | 53.28% |
| Hidden_Assassin vs Jack-8 | 53–78 | 40.46% |
| Hidden_Assassin vs Lidia | 48–60 | 44.44% |
| Hidden_Assassin vs Zafina | 44–62 | 41.51% |
| Hidden_Assassin vs Clive | 33–70 | 32.04% |
| Hidden_Assassin vs Claudio | 44–50 | 46.81% |
| Hidden_Assassin vs Kuma | 40–52 | 43.48% |
| Hidden_Assassin vs Shaheen | 39–44 | 46.99% |
| Hidden_Assassin vs Fahkumram | 37–30 | 55.22% |
| Hidden_Assassin vs Anna | 25–41 | 37.88% |
| Hidden_Assassin vs Armor King | 36–30 | 54.55% |
| Hidden_Assassin vs Panda | 21–25 | 45.65% |
| Hidden_Assassin vs Miary Zo | 5–4 | 55.56% |
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.