| Arma vs Jin | 29–18 | 61.70% |
| Arma vs Reina | 17–17 | 50.00% |
| Arma vs Kazuya | 15–15 | 50.00% |
| Arma vs Yoshimitsu | 13–12 | 52.00% |
| Arma vs King | 10–14 | 41.67% |
| Arma vs Bryan | 10–14 | 41.67% |
| Arma vs Law | 18–5 | 78.26% |
| Arma vs Paul | 11–11 | 50.00% |
| Arma vs Lili | 13–8 | 61.90% |
| Arma vs Armor King | 7–12 | 36.84% |
| Arma vs Steve | 4–13 | 23.53% |
| Arma vs Heihachi | 11–6 | 64.71% |
| Arma vs Devil Jin | 5–10 | 33.33% |
| Arma vs Fahkumram | 6–9 | 40.00% |
| Arma vs Asuka | 7–7 | 50.00% |
| Arma vs Hwoarang | 5–8 | 38.46% |
| Arma vs Miary Zo | 10–3 | 76.92% |
| Arma vs Feng | 6–6 | 50.00% |
| Arma vs Dragunov | 6–6 | 50.00% |
| Arma vs Nina | 8–4 | 66.67% |
| Arma vs Victor | 9–3 | 75.00% |
| Arma vs Lee | 6–5 | 54.55% |
| Arma vs Raven | 5–4 | 55.56% |
| Arma vs Xiaoyu | 4–4 | 50.00% |
| Arma vs Lars | 2–6 | 25.00% |
| Arma vs Claudio | 2–5 | 28.57% |
| Arma vs Leroy | 3–4 | 42.86% |
| Arma vs Jun | 5–2 | 71.43% |
| Arma vs Jack-8 | 0–5 | 0.00% |
| Arma vs Eddy | 3–2 | 60.00% |
| Arma vs Zafina | 1–3 | 25.00% |
| Arma vs Alisa | 3–0 | 100.00% |
| Arma vs Kuma | 2–1 | 66.67% |
| Arma vs Shaheen | 2–0 | 100.00% |
| Arma vs Azucena | 2–0 | 100.00% |
| Arma vs Clive | 2–0 | 100.00% |
| Arma vs Anna | 2–0 | 100.00% |
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.