| speedwagon vs King | 3–25 | 10.71% |
| speedwagon vs Jin | 10–15 | 40.00% |
| speedwagon vs Reina | 8–16 | 33.33% |
| speedwagon vs Dragunov | 2–15 | 11.76% |
| speedwagon vs Law | 2–14 | 12.50% |
| speedwagon vs Kazuya | 2–14 | 12.50% |
| speedwagon vs Hwoarang | 2–9 | 18.18% |
| speedwagon vs Steve | 0–10 | 0.00% |
| speedwagon vs Asuka | 6–4 | 60.00% |
| speedwagon vs Nina | 1–9 | 10.00% |
| speedwagon vs Devil Jin | 2–7 | 22.22% |
| speedwagon vs Heihachi | 4–4 | 50.00% |
| speedwagon vs Victor | 0–7 | 0.00% |
| speedwagon vs Jun | 0–6 | 0.00% |
| speedwagon vs Xiaoyu | 4–1 | 80.00% |
| speedwagon vs Bryan | 1–4 | 20.00% |
| speedwagon vs Claudio | 0–5 | 0.00% |
| speedwagon vs Kuma | 0–5 | 0.00% |
| speedwagon vs Feng | 1–3 | 25.00% |
| speedwagon vs Lili | 0–4 | 0.00% |
| speedwagon vs Alisa | 1–3 | 25.00% |
| speedwagon vs Yoshimitsu | 1–2 | 33.33% |
| speedwagon vs Leo | 0–3 | 0.00% |
| speedwagon vs Shaheen | 1–2 | 33.33% |
| speedwagon vs Lee | 1–2 | 33.33% |
| speedwagon vs Lidia | 0–3 | 0.00% |
| speedwagon vs Paul | 0–2 | 0.00% |
| speedwagon vs Jack-8 | 2–0 | 100.00% |
| speedwagon vs Leroy | 1–1 | 50.00% |
| speedwagon vs Eddy | 0–2 | 0.00% |
| speedwagon vs Lars | 0–1 | 0.00% |
| speedwagon vs Zafina | 0–1 | 0.00% |
| speedwagon vs Azucena | 1–0 | 100.00% |
| speedwagon vs Clive | 0–1 | 0.00% |
| speedwagon vs Anna | 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.