| Cosmos vs Jin | 9–2 | 81.82% |
| Cosmos vs King | 7–2 | 77.78% |
| Cosmos vs Steve | 7–2 | 77.78% |
| Cosmos vs Reina | 7–2 | 77.78% |
| Cosmos vs Heihachi | 7–1 | 87.50% |
| Cosmos vs Lili | 4–2 | 66.67% |
| Cosmos vs Law | 3–2 | 60.00% |
| Cosmos vs Jun | 4–1 | 80.00% |
| Cosmos vs Victor | 4–1 | 80.00% |
| Cosmos vs Paul | 4–0 | 100.00% |
| Cosmos vs Hwoarang | 3–1 | 75.00% |
| Cosmos vs Nina | 4–0 | 100.00% |
| Cosmos vs Azucena | 3–1 | 75.00% |
| Cosmos vs Kazuya | 3–0 | 100.00% |
| Cosmos vs Alisa | 3–0 | 100.00% |
| Cosmos vs Lidia | 2–1 | 66.67% |
| Cosmos vs Yoshimitsu | 2–0 | 100.00% |
| Cosmos vs Xiaoyu | 0–2 | 0.00% |
| Cosmos vs Jack-8 | 2–0 | 100.00% |
| Cosmos vs Devil Jin | 2–0 | 100.00% |
| Cosmos vs Feng | 2–0 | 100.00% |
| Cosmos vs Dragunov | 1–1 | 50.00% |
| Cosmos vs Leo | 2–0 | 100.00% |
| Cosmos vs Clive | 2–0 | 100.00% |
| Cosmos vs Miary Zo | 2–0 | 100.00% |
| Cosmos vs Shaheen | 1–0 | 100.00% |
| Cosmos vs Kuma | 1–0 | 100.00% |
| Cosmos vs Leroy | 1–0 | 100.00% |
| Cosmos vs Raven | 1–0 | 100.00% |
| Cosmos vs Eddy | 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.