| Mars198 vs Steve | 9–10 | 47.37% |
| Mars198 vs Azucena | 16–3 | 84.21% |
| Mars198 vs Kazuya | 6–9 | 40.00% |
| Mars198 vs Asuka | 7–8 | 46.67% |
| Mars198 vs Jin | 8–6 | 57.14% |
| Mars198 vs King | 6–7 | 46.15% |
| Mars198 vs Hwoarang | 10–3 | 76.92% |
| Mars198 vs Devil Jin | 6–7 | 46.15% |
| Mars198 vs Lili | 6–7 | 46.15% |
| Mars198 vs Jun | 2–11 | 15.38% |
| Mars198 vs Reina | 10–3 | 76.92% |
| Mars198 vs Yoshimitsu | 8–4 | 66.67% |
| Mars198 vs Eddy | 5–5 | 50.00% |
| Mars198 vs Law | 3–5 | 37.50% |
| Mars198 vs Lars | 4–3 | 57.14% |
| Mars198 vs Victor | 2–5 | 28.57% |
| Mars198 vs Dragunov | 3–3 | 50.00% |
| Mars198 vs Leo | 3–3 | 50.00% |
| Mars198 vs Paul | 1–4 | 20.00% |
| Mars198 vs Xiaoyu | 2–3 | 40.00% |
| Mars198 vs Bryan | 3–2 | 60.00% |
| Mars198 vs Leroy | 1–4 | 20.00% |
| Mars198 vs Nina | 2–2 | 50.00% |
| Mars198 vs Jack-8 | 1–2 | 33.33% |
| Mars198 vs Shaheen | 1–2 | 33.33% |
| Mars198 vs Zafina | 2–1 | 66.67% |
| Mars198 vs Feng | 2–0 | 100.00% |
| Mars198 vs Raven | 2–0 | 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.