| Kid Muscle vs Hwoarang | 8–11 | 42.11% |
| Kid Muscle vs King | 9–9 | 50.00% |
| Kid Muscle vs Jin | 9–8 | 52.94% |
| Kid Muscle vs Kazuya | 8–9 | 47.06% |
| Kid Muscle vs Lili | 7–6 | 53.85% |
| Kid Muscle vs Eddy | 7–6 | 53.85% |
| Kid Muscle vs Law | 6–4 | 60.00% |
| Kid Muscle vs Xiaoyu | 6–3 | 66.67% |
| Kid Muscle vs Bryan | 5–4 | 55.56% |
| Kid Muscle vs Asuka | 4–4 | 50.00% |
| Kid Muscle vs Dragunov | 4–4 | 50.00% |
| Kid Muscle vs Lars | 4–4 | 50.00% |
| Kid Muscle vs Leroy | 6–2 | 75.00% |
| Kid Muscle vs Jun | 1–7 | 12.50% |
| Kid Muscle vs Reina | 3–5 | 37.50% |
| Kid Muscle vs Steve | 4–3 | 57.14% |
| Kid Muscle vs Paul | 3–3 | 50.00% |
| Kid Muscle vs Devil Jin | 4–2 | 66.67% |
| Kid Muscle vs Nina | 2–3 | 40.00% |
| Kid Muscle vs Feng | 0–4 | 0.00% |
| Kid Muscle vs Azucena | 3–1 | 75.00% |
| Kid Muscle vs Raven | 2–2 | 50.00% |
| Kid Muscle vs Lee | 2–1 | 66.67% |
| Kid Muscle vs Yoshimitsu | 0–2 | 0.00% |
| Kid Muscle vs Jack-8 | 1–1 | 50.00% |
| Kid Muscle vs Claudio | 1–0 | 100.00% |
| Kid Muscle vs Shaheen | 1–0 | 100.00% |
| Kid Muscle vs Kuma | 1–0 | 100.00% |
| Kid Muscle vs Victor | 1–0 | 100.00% |
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.