| Mermaid vs Reina | 42–22 | 65.62% |
| Mermaid vs King | 28–25 | 52.83% |
| Mermaid vs Steve | 30–20 | 60.00% |
| Mermaid vs Jin | 27–22 | 55.10% |
| Mermaid vs Kazuya | 21–24 | 46.67% |
| Mermaid vs Heihachi | 20–22 | 47.62% |
| Mermaid vs Lili | 12–25 | 32.43% |
| Mermaid vs Bryan | 18–14 | 56.25% |
| Mermaid vs Lars | 11–18 | 37.93% |
| Mermaid vs Azucena | 11–16 | 40.74% |
| Mermaid vs Hwoarang | 12–14 | 46.15% |
| Mermaid vs Jun | 14–12 | 53.85% |
| Mermaid vs Law | 14–9 | 60.87% |
| Mermaid vs Clive | 13–10 | 56.52% |
| Mermaid vs Dragunov | 6–12 | 33.33% |
| Mermaid vs Victor | 8–9 | 47.06% |
| Mermaid vs Nina | 6–10 | 37.50% |
| Mermaid vs Lidia | 11–5 | 68.75% |
| Mermaid vs Armor King | 6–10 | 37.50% |
| Mermaid vs Paul | 7–8 | 46.67% |
| Mermaid vs Yoshimitsu | 3–10 | 23.08% |
| Mermaid vs Leo | 5–7 | 41.67% |
| Mermaid vs Raven | 4–8 | 33.33% |
| Mermaid vs Xiaoyu | 10–1 | 90.91% |
| Mermaid vs Jack-8 | 3–8 | 27.27% |
| Mermaid vs Lee | 6–5 | 54.55% |
| Mermaid vs Eddy | 4–7 | 36.36% |
| Mermaid vs Asuka | 5–5 | 50.00% |
| Mermaid vs Claudio | 3–5 | 37.50% |
| Mermaid vs Devil Jin | 6–0 | 100.00% |
| Mermaid vs Feng | 4–2 | 66.67% |
| Mermaid vs Kuma | 4–2 | 66.67% |
| Mermaid vs Zafina | 3–3 | 50.00% |
| Mermaid vs Leroy | 3–3 | 50.00% |
| Mermaid vs Panda | 1–4 | 20.00% |
| Mermaid vs Alisa | 2–2 | 50.00% |
| Mermaid vs Shaheen | 3–0 | 100.00% |
| Mermaid vs Fahkumram | 0–2 | 0.00% |
| Mermaid vs Anna | 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.