| Speedwagon vs King | 53–22 | 70.67% |
| Speedwagon vs Clive | 41–23 | 64.06% |
| Speedwagon vs Kazuya | 38–24 | 61.29% |
| Speedwagon vs Heihachi | 46–16 | 74.19% |
| Speedwagon vs Jin | 26–29 | 47.27% |
| Speedwagon vs Bryan | 31–23 | 57.41% |
| Speedwagon vs Steve | 37–15 | 71.15% |
| Speedwagon vs Reina | 34–11 | 75.56% |
| Speedwagon vs Law | 22–22 | 50.00% |
| Speedwagon vs Lars | 23–14 | 62.16% |
| Speedwagon vs Eddy | 25–12 | 67.57% |
| Speedwagon vs Lidia | 25–12 | 67.57% |
| Speedwagon vs Lili | 20–15 | 57.14% |
| Speedwagon vs Dragunov | 23–11 | 67.65% |
| Speedwagon vs Yoshimitsu | 24–8 | 75.00% |
| Speedwagon vs Fahkumram | 20–12 | 62.50% |
| Speedwagon vs Lee | 16–14 | 53.33% |
| Speedwagon vs Victor | 20–10 | 66.67% |
| Speedwagon vs Azucena | 17–12 | 58.62% |
| Speedwagon vs Anna | 12–16 | 42.86% |
| Speedwagon vs Jun | 21–6 | 77.78% |
| Speedwagon vs Armor King | 11–14 | 44.00% |
| Speedwagon vs Devil Jin | 15–9 | 62.50% |
| Speedwagon vs Paul | 8–15 | 34.78% |
| Speedwagon vs Xiaoyu | 16–7 | 69.57% |
| Speedwagon vs Hwoarang | 8–13 | 38.10% |
| Speedwagon vs Leo | 12–9 | 57.14% |
| Speedwagon vs Asuka | 14–6 | 70.00% |
| Speedwagon vs Alisa | 11–7 | 61.11% |
| Speedwagon vs Feng | 9–7 | 56.25% |
| Speedwagon vs Jack-8 | 10–4 | 71.43% |
| Speedwagon vs Nina | 10–4 | 71.43% |
| Speedwagon vs Leroy | 11–3 | 78.57% |
| Speedwagon vs Raven | 6–7 | 46.15% |
| Speedwagon vs Miary Zo | 11–2 | 84.62% |
| Speedwagon vs Kuma | 9–2 | 81.82% |
| Speedwagon vs Claudio | 5–5 | 50.00% |
| Speedwagon vs Shaheen | 2–3 | 40.00% |
| Speedwagon vs Panda | 3–1 | 75.00% |
| Speedwagon vs Zafina | 1–1 | 50.00% |
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.