| Sidewinder vs King | 8–3 | 72.73% |
| Sidewinder vs Bryan | 1–10 | 9.09% |
| Sidewinder vs Reina | 0–7 | 0.00% |
| Sidewinder vs Eddy | 1–6 | 14.29% |
| Sidewinder vs Hwoarang | 3–3 | 50.00% |
| Sidewinder vs Asuka | 2–4 | 33.33% |
| Sidewinder vs Paul | 1–4 | 20.00% |
| Sidewinder vs Kazuya | 1–4 | 20.00% |
| Sidewinder vs Nina | 2–3 | 40.00% |
| Sidewinder vs Jun | 3–2 | 60.00% |
| Sidewinder vs Anna | 4–1 | 80.00% |
| Sidewinder vs Lidia | 1–3 | 25.00% |
| Sidewinder vs Jin | 1–2 | 33.33% |
| Sidewinder vs Feng | 2–1 | 66.67% |
| Sidewinder vs Lili | 2–1 | 66.67% |
| Sidewinder vs Yoshimitsu | 0–2 | 0.00% |
| Sidewinder vs Steve | 1–1 | 50.00% |
| Sidewinder vs Dragunov | 1–1 | 50.00% |
| Sidewinder vs Azucena | 1–1 | 50.00% |
| Sidewinder vs Raven | 2–0 | 100.00% |
| Sidewinder vs Clive | 0–2 | 0.00% |
| Sidewinder vs Jack-8 | 0–1 | 0.00% |
| Sidewinder vs Alisa | 0–1 | 0.00% |
| Sidewinder vs Shaheen | 0–1 | 0.00% |
| Sidewinder vs Lee | 1–0 | 100.00% |
| Sidewinder vs Kuma | 1–0 | 100.00% |
| Sidewinder vs Zafina | 0–1 | 0.00% |
| Sidewinder vs Victor | 0–1 | 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.