| Firekaiju_33 vs King | 31–27 | 53.45% |
| Firekaiju_33 vs Jin | 17–34 | 33.33% |
| Firekaiju_33 vs Fahkumram | 10–33 | 23.26% |
| Firekaiju_33 vs Armor King | 17–26 | 39.53% |
| Firekaiju_33 vs Steve | 18–14 | 56.25% |
| Firekaiju_33 vs Law | 15–16 | 48.39% |
| Firekaiju_33 vs Jun | 8–22 | 26.67% |
| Firekaiju_33 vs Eddy | 11–18 | 37.93% |
| Firekaiju_33 vs Dragunov | 13–15 | 46.43% |
| Firekaiju_33 vs Yoshimitsu | 15–12 | 55.56% |
| Firekaiju_33 vs Hwoarang | 5–20 | 20.00% |
| Firekaiju_33 vs Bryan | 10–15 | 40.00% |
| Firekaiju_33 vs Victor | 6–17 | 26.09% |
| Firekaiju_33 vs Kazuya | 8–14 | 36.36% |
| Firekaiju_33 vs Reina | 11–10 | 52.38% |
| Firekaiju_33 vs Clive | 6–13 | 31.58% |
| Firekaiju_33 vs Lars | 6–12 | 33.33% |
| Firekaiju_33 vs Lee | 4–13 | 23.53% |
| Firekaiju_33 vs Leroy | 8–9 | 47.06% |
| Firekaiju_33 vs Devil Jin | 4–12 | 25.00% |
| Firekaiju_33 vs Lili | 5–9 | 35.71% |
| Firekaiju_33 vs Lidia | 5–9 | 35.71% |
| Firekaiju_33 vs Leo | 5–8 | 38.46% |
| Firekaiju_33 vs Heihachi | 8–5 | 61.54% |
| Firekaiju_33 vs Anna | 6–6 | 50.00% |
| Firekaiju_33 vs Alisa | 6–5 | 54.55% |
| Firekaiju_33 vs Azucena | 6–4 | 60.00% |
| Firekaiju_33 vs Paul | 4–5 | 44.44% |
| Firekaiju_33 vs Feng | 1–8 | 11.11% |
| Firekaiju_33 vs Claudio | 3–6 | 33.33% |
| Firekaiju_33 vs Nina | 3–6 | 33.33% |
| Firekaiju_33 vs Asuka | 0–6 | 0.00% |
| Firekaiju_33 vs Raven | 4–2 | 66.67% |
| Firekaiju_33 vs Shaheen | 4–1 | 80.00% |
| Firekaiju_33 vs Miary Zo | 1–3 | 25.00% |
| Firekaiju_33 vs Xiaoyu | 3–0 | 100.00% |
| Firekaiju_33 vs Kuma | 0–3 | 0.00% |
| Firekaiju_33 vs Zafina | 2–1 | 66.67% |
| Firekaiju_33 vs Jack-8 | 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.