| CosmaC4 vs King | 56–41 | 57.73% |
| CosmaC4 vs Kazuya | 34–48 | 41.46% |
| CosmaC4 vs Reina | 35–37 | 48.61% |
| CosmaC4 vs Jin | 31–30 | 50.82% |
| CosmaC4 vs Eddy | 23–32 | 41.82% |
| CosmaC4 vs Law | 29–22 | 56.86% |
| CosmaC4 vs Dragunov | 27–21 | 56.25% |
| CosmaC4 vs Hwoarang | 22–23 | 48.89% |
| CosmaC4 vs Steve | 13–32 | 28.89% |
| CosmaC4 vs Lili | 21–23 | 47.73% |
| CosmaC4 vs Bryan | 21–19 | 52.50% |
| CosmaC4 vs Lidia | 17–18 | 48.57% |
| CosmaC4 vs Clive | 9–25 | 26.47% |
| CosmaC4 vs Paul | 17–16 | 51.52% |
| CosmaC4 vs Yoshimitsu | 9–19 | 32.14% |
| CosmaC4 vs Asuka | 11–12 | 47.83% |
| CosmaC4 vs Jun | 15–8 | 65.22% |
| CosmaC4 vs Azucena | 13–10 | 56.52% |
| CosmaC4 vs Victor | 5–15 | 25.00% |
| CosmaC4 vs Lars | 7–12 | 36.84% |
| CosmaC4 vs Heihachi | 7–12 | 36.84% |
| CosmaC4 vs Feng | 1–17 | 5.56% |
| CosmaC4 vs Lee | 8–9 | 47.06% |
| CosmaC4 vs Alisa | 4–12 | 25.00% |
| CosmaC4 vs Leroy | 8–8 | 50.00% |
| CosmaC4 vs Jack-8 | 6–9 | 40.00% |
| CosmaC4 vs Nina | 10–5 | 66.67% |
| CosmaC4 vs Devil Jin | 5–9 | 35.71% |
| CosmaC4 vs Claudio | 5–8 | 38.46% |
| CosmaC4 vs Xiaoyu | 6–6 | 50.00% |
| CosmaC4 vs Raven | 5–3 | 62.50% |
| CosmaC4 vs Leo | 1–5 | 16.67% |
| CosmaC4 vs Shaheen | 4–2 | 66.67% |
| CosmaC4 vs Kuma | 3–3 | 50.00% |
| CosmaC4 vs Panda | 1–3 | 25.00% |
| CosmaC4 vs Fahkumram | 1–3 | 25.00% |
| CosmaC4 vs Zafina | 0–3 | 0.00% |
| CosmaC4 vs Armor King | 1–2 | 33.33% |
| CosmaC4 vs Anna | 1–1 | 50.00% |
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.