| Mar_Mar vs King | 40–50 | 44.44% |
| Mar_Mar vs Kazuya | 45–37 | 54.88% |
| Mar_Mar vs Armor King | 38–44 | 46.34% |
| Mar_Mar vs Jin | 34–32 | 51.52% |
| Mar_Mar vs Lili | 20–39 | 33.90% |
| Mar_Mar vs Reina | 28–29 | 49.12% |
| Mar_Mar vs Law | 21–30 | 41.18% |
| Mar_Mar vs Bryan | 33–18 | 64.71% |
| Mar_Mar vs Steve | 24–23 | 51.06% |
| Mar_Mar vs Dragunov | 24–23 | 51.06% |
| Mar_Mar vs Hwoarang | 21–24 | 46.67% |
| Mar_Mar vs Paul | 22–18 | 55.00% |
| Mar_Mar vs Yoshimitsu | 14–25 | 35.90% |
| Mar_Mar vs Victor | 20–18 | 52.63% |
| Mar_Mar vs Heihachi | 20–13 | 60.61% |
| Mar_Mar vs Lars | 16–14 | 53.33% |
| Mar_Mar vs Miary Zo | 17–13 | 56.67% |
| Mar_Mar vs Lee | 14–15 | 48.28% |
| Mar_Mar vs Jun | 11–18 | 37.93% |
| Mar_Mar vs Azucena | 12–17 | 41.38% |
| Mar_Mar vs Fahkumram | 19–10 | 65.52% |
| Mar_Mar vs Nina | 15–10 | 60.00% |
| Mar_Mar vs Asuka | 11–12 | 47.83% |
| Mar_Mar vs Xiaoyu | 14–7 | 66.67% |
| Mar_Mar vs Feng | 13–6 | 68.42% |
| Mar_Mar vs Eddy | 6–13 | 31.58% |
| Mar_Mar vs Clive | 9–9 | 50.00% |
| Mar_Mar vs Leo | 7–10 | 41.18% |
| Mar_Mar vs Devil Jin | 7–9 | 43.75% |
| Mar_Mar vs Claudio | 8–7 | 53.33% |
| Mar_Mar vs Leroy | 8–7 | 53.33% |
| Mar_Mar vs Alisa | 4–10 | 28.57% |
| Mar_Mar vs Lidia | 7–5 | 58.33% |
| Mar_Mar vs Kuma | 1–8 | 11.11% |
| Mar_Mar vs Jack-8 | 5–3 | 62.50% |
| Mar_Mar vs Anna | 2–6 | 25.00% |
| Mar_Mar vs Raven | 2–4 | 33.33% |
| Mar_Mar vs Zafina | 1–4 | 20.00% |
| Mar_Mar vs Shaheen | 2–2 | 50.00% |
| Mar_Mar vs Panda | 0–2 | 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.