| Cosmina vs Jin | 19–71 | 21.11% |
| Cosmina vs King | 20–44 | 31.25% |
| Cosmina vs Kazuya | 16–35 | 31.37% |
| Cosmina vs Hwoarang | 17–31 | 35.42% |
| Cosmina vs Lili | 21–22 | 48.84% |
| Cosmina vs Steve | 15–26 | 36.59% |
| Cosmina vs Jun | 16–23 | 41.03% |
| Cosmina vs Reina | 20–17–1 | 54.05% |
| Cosmina vs Bryan | 9–26 | 25.71% |
| Cosmina vs Law | 16–18 | 47.06% |
| Cosmina vs Heihachi | 11–19 | 36.67% |
| Cosmina vs Yoshimitsu | 9–18 | 33.33% |
| Cosmina vs Asuka | 13–14 | 48.15% |
| Cosmina vs Azucena | 12–13 | 48.00% |
| Cosmina vs Armor King | 4–20 | 16.67% |
| Cosmina vs Dragunov | 5–16 | 23.81% |
| Cosmina vs Anna | 3–18 | 14.29% |
| Cosmina vs Lee | 3–17 | 15.00% |
| Cosmina vs Leroy | 9–10 | 47.37% |
| Cosmina vs Victor | 7–11 | 38.89% |
| Cosmina vs Paul | 5–12 | 29.41% |
| Cosmina vs Eddy | 5–12 | 29.41% |
| Cosmina vs Jack-8 | 6–10 | 37.50% |
| Cosmina vs Lidia | 7–9 | 43.75% |
| Cosmina vs Raven | 5–9 | 35.71% |
| Cosmina vs Xiaoyu | 6–6 | 50.00% |
| Cosmina vs Alisa | 5–6 | 45.45% |
| Cosmina vs Nina | 1–10 | 9.09% |
| Cosmina vs Fahkumram | 4–7 | 36.36% |
| Cosmina vs Lars | 3–7 | 30.00% |
| Cosmina vs Clive | 4–6 | 40.00% |
| Cosmina vs Devil Jin | 3–6 | 33.33% |
| Cosmina vs Leo | 3–5 | 37.50% |
| Cosmina vs Claudio | 3–5 | 37.50% |
| Cosmina vs Kuma | 1–7 | 12.50% |
| Cosmina vs Zafina | 2–6 | 25.00% |
| Cosmina vs Feng | 1–5 | 16.67% |
| Cosmina vs Shaheen | 3–2 | 60.00% |
| Cosmina vs Panda | 0–4 | 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.