| Speedwagon vs King | 10–22 | 31.25% |
| Speedwagon vs Kazuya | 13–17–1 | 43.33% |
| Speedwagon vs Jin | 10–18 | 35.71% |
| Speedwagon vs Reina | 11–15 | 42.31% |
| Speedwagon vs Steve | 13–9 | 59.09% |
| Speedwagon vs Bryan | 6–12 | 33.33% |
| Speedwagon vs Asuka | 8–7 | 53.33% |
| Speedwagon vs Eddy | 0–14 | 0.00% |
| Speedwagon vs Fahkumram | 6–7 | 46.15% |
| Speedwagon vs Jun | 3–8 | 27.27% |
| Speedwagon vs Dragunov | 4–6 | 40.00% |
| Speedwagon vs Azucena | 4–6 | 40.00% |
| Speedwagon vs Lars | 3–6 | 33.33% |
| Speedwagon vs Raven | 5–4 | 55.56% |
| Speedwagon vs Yoshimitsu | 4–4 | 50.00% |
| Speedwagon vs Devil Jin | 2–6 | 25.00% |
| Speedwagon vs Nina | 3–5 | 37.50% |
| Speedwagon vs Hwoarang | 3–4 | 42.86% |
| Speedwagon vs Feng | 4–3 | 57.14% |
| Speedwagon vs Leroy | 2–5 | 28.57% |
| Speedwagon vs Clive | 5–2 | 71.43% |
| Speedwagon vs Lili | 4–2 | 66.67% |
| Speedwagon vs Claudio | 0–6 | 0.00% |
| Speedwagon vs Lee | 2–4 | 33.33% |
| Speedwagon vs Zafina | 4–2 | 66.67% |
| Speedwagon vs Victor | 3–3 | 50.00% |
| Speedwagon vs Lidia | 4–2 | 66.67% |
| Speedwagon vs Heihachi | 4–2 | 66.67% |
| Speedwagon vs Law | 1–4 | 20.00% |
| Speedwagon vs Leo | 1–4 | 20.00% |
| Speedwagon vs Kuma | 2–3 | 40.00% |
| Speedwagon vs Alisa | 0–4 | 0.00% |
| Speedwagon vs Paul | 2–1 | 66.67% |
| Speedwagon vs Xiaoyu | 3–0 | 100.00% |
| Speedwagon vs Shaheen | 1–1 | 50.00% |
| Speedwagon vs Jack-8 | 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.