| Marcellus vs Law | 17–4 | 80.95% |
| Marcellus vs Zafina | 7–8 | 46.67% |
| Marcellus vs King | 9–4 | 69.23% |
| Marcellus vs Jin | 8–5 | 61.54% |
| Marcellus vs Steve | 11–2 | 84.62% |
| Marcellus vs Yoshimitsu | 6–5 | 54.55% |
| Marcellus vs Reina | 8–3 | 72.73% |
| Marcellus vs Eddy | 7–4 | 63.64% |
| Marcellus vs Azucena | 6–4 | 60.00% |
| Marcellus vs Victor | 4–5 | 44.44% |
| Marcellus vs Bryan | 6–1 | 85.71% |
| Marcellus vs Hwoarang | 3–3 | 50.00% |
| Marcellus vs Kazuya | 5–1 | 83.33% |
| Marcellus vs Devil Jin | 4–2 | 66.67% |
| Marcellus vs Lili | 5–1 | 83.33% |
| Marcellus vs Dragunov | 2–4 | 33.33% |
| Marcellus vs Feng | 4–1 | 80.00% |
| Marcellus vs Shaheen | 4–1 | 80.00% |
| Marcellus vs Leroy | 4–1 | 80.00% |
| Marcellus vs Jun | 3–2 | 60.00% |
| Marcellus vs Paul | 3–1 | 75.00% |
| Marcellus vs Asuka | 3–1 | 75.00% |
| Marcellus vs Lars | 3–1 | 75.00% |
| Marcellus vs Lee | 2–2 | 50.00% |
| Marcellus vs Jack-8 | 3–0 | 100.00% |
| Marcellus vs Alisa | 2–1 | 66.67% |
| Marcellus vs Lidia | 2–1 | 66.67% |
| Marcellus vs Xiaoyu | 1–1 | 50.00% |
| Marcellus vs Leo | 0–2 | 0.00% |
| Marcellus vs Panda | 2–0 | 100.00% |
| Marcellus vs Claudio | 1–0 | 100.00% |
| Marcellus vs Nina | 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.