| M&M420 vs Jin | 43–47 | 47.78% |
| M&M420 vs Reina | 53–31 | 63.10% |
| M&M420 vs King | 41–35 | 53.95% |
| M&M420 vs Law | 31–31 | 50.00% |
| M&M420 vs Hwoarang | 37–25 | 59.68% |
| M&M420 vs Bryan | 30–30 | 50.00% |
| M&M420 vs Yoshimitsu | 35–23 | 60.34% |
| M&M420 vs Kazuya | 31–27 | 53.45% |
| M&M420 vs Steve | 29–27 | 51.79% |
| M&M420 vs Lili | 24–27 | 47.06% |
| M&M420 vs Eddy | 27–19 | 58.70% |
| M&M420 vs Dragunov | 26–19 | 57.78% |
| M&M420 vs Alisa | 18–22 | 45.00% |
| M&M420 vs Paul | 19–18 | 51.35% |
| M&M420 vs Feng | 19–15 | 55.88% |
| M&M420 vs Jun | 13–17 | 43.33% |
| M&M420 vs Devil Jin | 13–15 | 46.43% |
| M&M420 vs Lars | 13–14 | 48.15% |
| M&M420 vs Azucena | 20–7 | 74.07% |
| M&M420 vs Fahkumram | 16–11 | 59.26% |
| M&M420 vs Armor King | 12–14 | 46.15% |
| M&M420 vs Xiaoyu | 7–16 | 30.43% |
| M&M420 vs Leo | 14–9 | 60.87% |
| M&M420 vs Heihachi | 13–9 | 59.09% |
| M&M420 vs Leroy | 9–12 | 42.86% |
| M&M420 vs Lee | 9–11 | 45.00% |
| M&M420 vs Lidia | 10–10 | 50.00% |
| M&M420 vs Raven | 9–10 | 47.37% |
| M&M420 vs Asuka | 11–6 | 64.71% |
| M&M420 vs Nina | 7–8 | 46.67% |
| M&M420 vs Jack-8 | 4–9 | 30.77% |
| M&M420 vs Claudio | 7–6 | 53.85% |
| M&M420 vs Kuma | 5–5 | 50.00% |
| M&M420 vs Anna | 3–5 | 37.50% |
| M&M420 vs Victor | 4–2 | 66.67% |
| M&M420 vs Panda | 2–3 | 40.00% |
| M&M420 vs Clive | 2–1 | 66.67% |
| M&M420 vs Shaheen | 0–2 | 0.00% |
| M&M420 vs Zafina | 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.