| cogito ergo sum vs Jin | 21–1 | 95.45% |
| cogito ergo sum vs King | 16–1 | 94.12% |
| cogito ergo sum vs Kazuya | 9–3 | 75.00% |
| cogito ergo sum vs Reina | 7–4 | 63.64% |
| cogito ergo sum vs Azucena | 8–2 | 80.00% |
| cogito ergo sum vs Paul | 4–5 | 44.44% |
| cogito ergo sum vs Lars | 6–2 | 75.00% |
| cogito ergo sum vs Shaheen | 6–1 | 85.71% |
| cogito ergo sum vs Miary Zo | 6–1 | 85.71% |
| cogito ergo sum vs Hwoarang | 6–0 | 100.00% |
| cogito ergo sum vs Asuka | 6–0 | 100.00% |
| cogito ergo sum vs Raven | 6–0 | 100.00% |
| cogito ergo sum vs Nina | 1–4 | 20.00% |
| cogito ergo sum vs Zafina | 2–3 | 40.00% |
| cogito ergo sum vs Jun | 5–0 | 100.00% |
| cogito ergo sum vs Armor King | 5–0 | 100.00% |
| cogito ergo sum vs Law | 4–0 | 100.00% |
| cogito ergo sum vs Yoshimitsu | 4–0 | 100.00% |
| cogito ergo sum vs Bryan | 4–0 | 100.00% |
| cogito ergo sum vs Steve | 3–1 | 75.00% |
| cogito ergo sum vs Jack-8 | 3–1 | 75.00% |
| cogito ergo sum vs Eddy | 4–0 | 100.00% |
| cogito ergo sum vs Heihachi | 3–1 | 75.00% |
| cogito ergo sum vs Xiaoyu | 0–2 | 0.00% |
| cogito ergo sum vs Devil Jin | 0–2 | 0.00% |
| cogito ergo sum vs Dragunov | 2–0 | 100.00% |
| cogito ergo sum vs Leo | 2–0 | 100.00% |
| cogito ergo sum vs Claudio | 0–2 | 0.00% |
| cogito ergo sum vs Panda | 2–0 | 100.00% |
| cogito ergo sum vs Leroy | 0–2 | 0.00% |
| cogito ergo sum vs Lidia | 2–0 | 100.00% |
| cogito ergo sum vs Clive | 1–1 | 50.00% |
| cogito ergo sum vs Fahkumram | 2–0 | 100.00% |
| cogito ergo sum vs Victor | 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.