| Arii vs King | 20–27 | 42.55% |
| Arii vs Hwoarang | 17–19 | 47.22% |
| Arii vs Miary Zo | 14–16 | 46.67% |
| Arii vs Kazuya | 15–14 | 51.72% |
| Arii vs Steve | 10–19 | 34.48% |
| Arii vs Armor King | 11–16 | 40.74% |
| Arii vs Jin | 11–10 | 52.38% |
| Arii vs Bryan | 9–12 | 42.86% |
| Arii vs Lars | 10–9 | 52.63% |
| Arii vs Lili | 11–7 | 61.11% |
| Arii vs Dragunov | 6–12 | 33.33% |
| Arii vs Eddy | 6–12 | 33.33% |
| Arii vs Law | 12–4 | 75.00% |
| Arii vs Asuka | 8–6 | 57.14% |
| Arii vs Nina | 8–5 | 61.54% |
| Arii vs Reina | 11–2 | 84.62% |
| Arii vs Yoshimitsu | 5–7 | 41.67% |
| Arii vs Azucena | 4–6 | 40.00% |
| Arii vs Raven | 4–6 | 40.00% |
| Arii vs Clive | 2–8 | 20.00% |
| Arii vs Fahkumram | 2–8 | 20.00% |
| Arii vs Paul | 4–4 | 50.00% |
| Arii vs Victor | 4–4 | 50.00% |
| Arii vs Heihachi | 6–2 | 75.00% |
| Arii vs Feng | 3–4 | 42.86% |
| Arii vs Xiaoyu | 2–4 | 33.33% |
| Arii vs Jack-8 | 2–4 | 33.33% |
| Arii vs Devil Jin | 2–3 | 40.00% |
| Arii vs Leo | 1–4 | 20.00% |
| Arii vs Zafina | 4–1 | 80.00% |
| Arii vs Shaheen | 0–4 | 0.00% |
| Arii vs Lee | 2–2 | 50.00% |
| Arii vs Kuma | 2–2 | 50.00% |
| Arii vs Jun | 1–2 | 33.33% |
| Arii vs Lidia | 1–2 | 33.33% |
| Arii vs Anna | 1–0 | 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.