| Zennissy vs Kazuya | 55–46 | 54.46% |
| Zennissy vs Reina | 44–53 | 45.36% |
| Zennissy vs Bryan | 37–50 | 42.53% |
| Zennissy vs Jin | 47–35 | 57.32% |
| Zennissy vs King | 30–46 | 39.47% |
| Zennissy vs Hwoarang | 18–42 | 30.00% |
| Zennissy vs Lili | 29–31 | 48.33% |
| Zennissy vs Yoshimitsu | 23–29 | 44.23% |
| Zennissy vs Asuka | 27–25 | 51.92% |
| Zennissy vs Law | 18–30 | 37.50% |
| Zennissy vs Azucena | 31–16 | 65.96% |
| Zennissy vs Steve | 16–25 | 39.02% |
| Zennissy vs Devil Jin | 22–18 | 55.00% |
| Zennissy vs Jun | 16–22 | 42.11% |
| Zennissy vs Lars | 22–15 | 59.46% |
| Zennissy vs Leo | 23–13 | 63.89% |
| Zennissy vs Dragunov | 20–15 | 57.14% |
| Zennissy vs Lee | 17–18 | 48.57% |
| Zennissy vs Paul | 8–21 | 27.59% |
| Zennissy vs Victor | 16–13 | 55.17% |
| Zennissy vs Feng | 7–21 | 25.00% |
| Zennissy vs Jack-8 | 11–14 | 44.00% |
| Zennissy vs Claudio | 10–15 | 40.00% |
| Zennissy vs Eddy | 9–16 | 36.00% |
| Zennissy vs Raven | 8–12 | 40.00% |
| Zennissy vs Alisa | 7–11 | 38.89% |
| Zennissy vs Nina | 4–13 | 23.53% |
| Zennissy vs Xiaoyu | 3–12 | 20.00% |
| Zennissy vs Anna | 7–7 | 50.00% |
| Zennissy vs Zafina | 4–8 | 33.33% |
| Zennissy vs Shaheen | 6–4 | 60.00% |
| Zennissy vs Heihachi | 5–5 | 50.00% |
| Zennissy vs Leroy | 2–7 | 22.22% |
| Zennissy vs Lidia | 5–3 | 62.50% |
| Zennissy vs Panda | 2–5 | 28.57% |
| Zennissy vs Clive | 1–5 | 16.67% |
| Zennissy vs Kuma | 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.