Name history
| Mamma Orsa | |
| Pandakun | |
| Sir Pinnus | |
| Beep Beep | |
| Orsokun | |
| Fallen Orso | |
| Orso | |
| Becienzo JR |
| Mamma Orsa vs Bryan | 47–30 | 61.04% |
| Mamma Orsa vs Kazuya | 54–19 | 73.97% |
| Mamma Orsa vs Lee | 42–22 | 65.62% |
| Mamma Orsa vs Jin | 43–15 | 74.14% |
| Mamma Orsa vs Hwoarang | 31–25–1 | 55.36% |
| Mamma Orsa vs Paul | 39–14 | 73.58% |
| Mamma Orsa vs King | 35–18 | 66.04% |
| Mamma Orsa vs Dragunov | 33–18 | 64.71% |
| Mamma Orsa vs Azucena | 37–13 | 74.00% |
| Mamma Orsa vs Lili | 27–21 | 56.25% |
| Mamma Orsa vs Nina | 29–19 | 60.42% |
| Mamma Orsa vs Lars | 26–21 | 55.32% |
| Mamma Orsa vs Jun | 22–24 | 47.83% |
| Mamma Orsa vs Devil Jin | 27–16 | 62.79% |
| Mamma Orsa vs Steve | 26–15 | 63.41% |
| Mamma Orsa vs Zafina | 15–23 | 39.47% |
| Mamma Orsa vs Reina | 25–13 | 65.79% |
| Mamma Orsa vs Heihachi | 19–17 | 52.78% |
| Mamma Orsa vs Eddy | 17–17 | 50.00% |
| Mamma Orsa vs Yoshimitsu | 26–7 | 78.79% |
| Mamma Orsa vs Asuka | 16–17 | 48.48% |
| Mamma Orsa vs Raven | 20–11 | 64.52% |
| Mamma Orsa vs Law | 19–10 | 65.52% |
| Mamma Orsa vs Jack-8 | 16–11 | 59.26% |
| Mamma Orsa vs Leo | 16–11 | 59.26% |
| Mamma Orsa vs Kuma | 18–9 | 66.67% |
| Mamma Orsa vs Panda | 18–8 | 69.23% |
| Mamma Orsa vs Shaheen | 18–7 | 72.00% |
| Mamma Orsa vs Alisa | 11–13 | 45.83% |
| Mamma Orsa vs Leroy | 13–10 | 56.52% |
| Mamma Orsa vs Feng | 11–10 | 52.38% |
| Mamma Orsa vs Claudio | 17–3 | 85.00% |
| Mamma Orsa vs Victor | 9–11 | 45.00% |
| Mamma Orsa vs Fahkumram | 7–10 | 41.18% |
| Mamma Orsa vs Xiaoyu | 11–4 | 73.33% |
| Mamma Orsa vs Anna | 6–5 | 54.55% |
| Mamma Orsa vs Armor King | 6–5 | 54.55% |
| Mamma Orsa vs Lidia | 7–2 | 77.78% |
| Mamma Orsa vs Clive | 4–4 | 50.00% |
| Mamma Orsa vs Miary Zo | 4–3 | 57.14% |
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.