| Fireworker vs Kazuya | 43–61 | 41.35% |
| Fireworker vs Reina | 43–29 | 59.72% |
| Fireworker vs King | 23–42 | 35.38% |
| Fireworker vs Bryan | 26–38 | 40.62% |
| Fireworker vs Jin | 24–35 | 40.68% |
| Fireworker vs Dragunov | 26–31 | 45.61% |
| Fireworker vs Jun | 12–42 | 22.22% |
| Fireworker vs Eddy | 22–32 | 40.74% |
| Fireworker vs Hwoarang | 25–26 | 49.02% |
| Fireworker vs Law | 19–27 | 41.30% |
| Fireworker vs Steve | 24–19 | 55.81% |
| Fireworker vs Lili | 18–25 | 41.86% |
| Fireworker vs Yoshimitsu | 16–25 | 39.02% |
| Fireworker vs Paul | 7–32 | 17.95% |
| Fireworker vs Asuka | 14–25 | 35.90% |
| Fireworker vs Azucena | 18–16 | 52.94% |
| Fireworker vs Lars | 15–18 | 45.45% |
| Fireworker vs Leo | 10–19 | 34.48% |
| Fireworker vs Alisa | 16–13 | 55.17% |
| Fireworker vs Devil Jin | 12–14 | 46.15% |
| Fireworker vs Victor | 12–12 | 50.00% |
| Fireworker vs Feng | 6–13 | 31.58% |
| Fireworker vs Kuma | 6–12 | 33.33% |
| Fireworker vs Nina | 8–8 | 50.00% |
| Fireworker vs Leroy | 5–11 | 31.25% |
| Fireworker vs Xiaoyu | 10–4 | 71.43% |
| Fireworker vs Armor King | 8–6 | 57.14% |
| Fireworker vs Lee | 8–5 | 61.54% |
| Fireworker vs Jack-8 | 5–7 | 41.67% |
| Fireworker vs Claudio | 6–6 | 50.00% |
| Fireworker vs Shaheen | 6–6 | 50.00% |
| Fireworker vs Panda | 4–5 | 44.44% |
| Fireworker vs Raven | 3–4 | 42.86% |
| Fireworker vs Zafina | 5–1 | 83.33% |
| Fireworker vs Heihachi | 2–3 | 40.00% |
| Fireworker vs Lidia | 4–0 | 100.00% |
| Fireworker vs Anna | 2–1 | 66.67% |
| Fireworker vs Fahkumram | 2–1 | 66.67% |
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.