| BAD MAMMA JAMMA vs Jin | 83–46 | 64.34% |
| BAD MAMMA JAMMA vs Law | 63–46 | 57.80% |
| BAD MAMMA JAMMA vs Kazuya | 47–56 | 45.63% |
| BAD MAMMA JAMMA vs Steve | 61–33 | 64.89% |
| BAD MAMMA JAMMA vs Bryan | 42–51 | 45.16% |
| BAD MAMMA JAMMA vs Lili | 48–40 | 54.55% |
| BAD MAMMA JAMMA vs King | 40–40 | 50.00% |
| BAD MAMMA JAMMA vs Lee | 42–36 | 53.85% |
| BAD MAMMA JAMMA vs Yoshimitsu | 40–32 | 55.56% |
| BAD MAMMA JAMMA vs Reina | 44–26 | 62.86% |
| BAD MAMMA JAMMA vs Hwoarang | 41–28 | 59.42% |
| BAD MAMMA JAMMA vs Paul | 30–26 | 53.57% |
| BAD MAMMA JAMMA vs Jun | 32–24 | 57.14% |
| BAD MAMMA JAMMA vs Dragunov | 27–26 | 50.94% |
| BAD MAMMA JAMMA vs Azucena | 20–29 | 40.82% |
| BAD MAMMA JAMMA vs Fahkumram | 32–16 | 66.67% |
| BAD MAMMA JAMMA vs Nina | 23–22 | 51.11% |
| BAD MAMMA JAMMA vs Devil Jin | 18–24 | 42.86% |
| BAD MAMMA JAMMA vs Heihachi | 21–21 | 50.00% |
| BAD MAMMA JAMMA vs Xiaoyu | 25–15 | 62.50% |
| BAD MAMMA JAMMA vs Raven | 17–21 | 44.74% |
| BAD MAMMA JAMMA vs Alisa | 19–17 | 52.78% |
| BAD MAMMA JAMMA vs Feng | 21–14 | 60.00% |
| BAD MAMMA JAMMA vs Asuka | 16–16 | 50.00% |
| BAD MAMMA JAMMA vs Leroy | 19–12 | 61.29% |
| BAD MAMMA JAMMA vs Leo | 21–9 | 70.00% |
| BAD MAMMA JAMMA vs Lars | 17–11 | 60.71% |
| BAD MAMMA JAMMA vs Eddy | 16–11 | 59.26% |
| BAD MAMMA JAMMA vs Shaheen | 12–12 | 50.00% |
| BAD MAMMA JAMMA vs Jack-8 | 14–9 | 60.87% |
| BAD MAMMA JAMMA vs Claudio | 9–12 | 42.86% |
| BAD MAMMA JAMMA vs Kuma | 10–7 | 58.82% |
| BAD MAMMA JAMMA vs Zafina | 6–7 | 46.15% |
| BAD MAMMA JAMMA vs Victor | 7–6 | 53.85% |
| BAD MAMMA JAMMA vs Anna | 4–9 | 30.77% |
| BAD MAMMA JAMMA vs Armor King | 8–5 | 61.54% |
| BAD MAMMA JAMMA vs Lidia | 8–3 | 72.73% |
| BAD MAMMA JAMMA vs Clive | 7–3 | 70.00% |
| BAD MAMMA JAMMA vs Miary Zo | 3–4 | 42.86% |
| BAD MAMMA JAMMA vs Panda | 2–3 | 40.00% |
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.