| Arca vs Kazuya | 17–13 | 56.67% |
| Arca vs Jin | 12–16 | 42.86% |
| Arca vs King | 15–12 | 55.56% |
| Arca vs Reina | 19–5 | 79.17% |
| Arca vs Yoshimitsu | 12–9 | 57.14% |
| Arca vs Bryan | 14–6 | 70.00% |
| Arca vs Lili | 11–9 | 55.00% |
| Arca vs Lidia | 17–3 | 85.00% |
| Arca vs Law | 10–7 | 58.82% |
| Arca vs Paul | 6–7 | 46.15% |
| Arca vs Alisa | 6–6 | 50.00% |
| Arca vs Devil Jin | 7–4 | 63.64% |
| Arca vs Feng | 9–2 | 81.82% |
| Arca vs Hwoarang | 7–3 | 70.00% |
| Arca vs Claudio | 9–1 | 90.00% |
| Arca vs Victor | 3–7 | 30.00% |
| Arca vs Azucena | 7–2 | 77.78% |
| Arca vs Asuka | 3–5 | 37.50% |
| Arca vs Xiaoyu | 3–4 | 42.86% |
| Arca vs Lars | 4–3 | 57.14% |
| Arca vs Dragunov | 3–3 | 50.00% |
| Arca vs Jun | 4–2 | 66.67% |
| Arca vs Steve | 5–0 | 100.00% |
| Arca vs Leo | 4–1 | 80.00% |
| Arca vs Lee | 5–0 | 100.00% |
| Arca vs Eddy | 3–2 | 60.00% |
| Arca vs Nina | 1–3 | 25.00% |
| Arca vs Zafina | 3–1 | 75.00% |
| Arca vs Shaheen | 2–1 | 66.67% |
| Arca vs Leroy | 2–1 | 66.67% |
| Arca vs Jack-8 | 2–0 | 100.00% |
| Arca vs Kuma | 0–2 | 0.00% |
| Arca vs Panda | 2–0 | 100.00% |
| Arca vs Raven | 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.