| Spike Cosmo vs King | 10–8 | 55.56% |
| Spike Cosmo vs Reina | 6–6 | 50.00% |
| Spike Cosmo vs Jun | 6–4 | 60.00% |
| Spike Cosmo vs Eddy | 2–7 | 22.22% |
| Spike Cosmo vs Xiaoyu | 3–5 | 37.50% |
| Spike Cosmo vs Jin | 6–2 | 75.00% |
| Spike Cosmo vs Law | 5–2 | 71.43% |
| Spike Cosmo vs Hwoarang | 7–0 | 100.00% |
| Spike Cosmo vs Steve | 7–0 | 100.00% |
| Spike Cosmo vs Feng | 5–2 | 71.43% |
| Spike Cosmo vs Lars | 2–5 | 28.57% |
| Spike Cosmo vs Victor | 4–3 | 57.14% |
| Spike Cosmo vs Kazuya | 5–1 | 83.33% |
| Spike Cosmo vs Paul | 3–2 | 60.00% |
| Spike Cosmo vs Yoshimitsu | 4–1 | 80.00% |
| Spike Cosmo vs Bryan | 3–2 | 60.00% |
| Spike Cosmo vs Jack-8 | 0–5 | 0.00% |
| Spike Cosmo vs Leo | 2–3 | 40.00% |
| Spike Cosmo vs Azucena | 3–2 | 60.00% |
| Spike Cosmo vs Raven | 3–2 | 60.00% |
| Spike Cosmo vs Claudio | 2–2 | 50.00% |
| Spike Cosmo vs Kuma | 3–1 | 75.00% |
| Spike Cosmo vs Asuka | 1–2 | 33.33% |
| Spike Cosmo vs Lili | 1–2 | 33.33% |
| Spike Cosmo vs Dragunov | 2–0 | 100.00% |
| Spike Cosmo vs Nina | 2–0 | 100.00% |
| Spike Cosmo vs Zafina | 2–0 | 100.00% |
| Spike Cosmo vs Leroy | 2–0 | 100.00% |
| Spike Cosmo vs Shaheen | 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.