| Cat Mermaid vs Reina | 38–41 | 48.10% |
| Cat Mermaid vs King | 37–34 | 52.11% |
| Cat Mermaid vs Kazuya | 35–34 | 50.72% |
| Cat Mermaid vs Hwoarang | 36–31 | 53.73% |
| Cat Mermaid vs Law | 28–36 | 43.75% |
| Cat Mermaid vs Jin | 28–26 | 51.85% |
| Cat Mermaid vs Azucena | 28–24 | 53.85% |
| Cat Mermaid vs Steve | 31–20 | 60.78% |
| Cat Mermaid vs Victor | 20–30 | 40.00% |
| Cat Mermaid vs Jun | 17–31 | 35.42% |
| Cat Mermaid vs Bryan | 17–30 | 36.17% |
| Cat Mermaid vs Dragunov | 24–22 | 52.17% |
| Cat Mermaid vs Lili | 19–26 | 42.22% |
| Cat Mermaid vs Lars | 25–20 | 55.56% |
| Cat Mermaid vs Asuka | 19–20 | 48.72% |
| Cat Mermaid vs Clive | 24–12 | 66.67% |
| Cat Mermaid vs Yoshimitsu | 18–15 | 54.55% |
| Cat Mermaid vs Xiaoyu | 18–14 | 56.25% |
| Cat Mermaid vs Leroy | 16–15 | 51.61% |
| Cat Mermaid vs Lee | 20–10 | 66.67% |
| Cat Mermaid vs Raven | 19–11 | 63.33% |
| Cat Mermaid vs Alisa | 14–12 | 53.85% |
| Cat Mermaid vs Nina | 8–17 | 32.00% |
| Cat Mermaid vs Eddy | 8–17 | 32.00% |
| Cat Mermaid vs Kuma | 12–12 | 50.00% |
| Cat Mermaid vs Jack-8 | 8–15 | 34.78% |
| Cat Mermaid vs Paul | 9–11 | 45.00% |
| Cat Mermaid vs Claudio | 11–9 | 55.00% |
| Cat Mermaid vs Feng | 7–11 | 38.89% |
| Cat Mermaid vs Leo | 13–5 | 72.22% |
| Cat Mermaid vs Zafina | 4–14 | 22.22% |
| Cat Mermaid vs Heihachi | 10–7 | 58.82% |
| Cat Mermaid vs Devil Jin | 4–6 | 40.00% |
| Cat Mermaid vs Armor King | 4–6 | 40.00% |
| Cat Mermaid vs Panda | 3–5 | 37.50% |
| Cat Mermaid vs Shaheen | 2–5 | 28.57% |
| Cat Mermaid vs Anna | 1–4 | 20.00% |
| Cat Mermaid vs Miary Zo | 3–1 | 75.00% |
| Cat Mermaid vs Lidia | 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.