| RioNaku vs King | 30–33 | 47.62% |
| RioNaku vs Hwoarang | 36–24 | 60.00% |
| RioNaku vs Kazuya | 32–22 | 59.26% |
| RioNaku vs Clive | 34–17 | 66.67% |
| RioNaku vs Steve | 23–23 | 50.00% |
| RioNaku vs Heihachi | 26–15 | 63.41% |
| RioNaku vs Lee | 20–18 | 52.63% |
| RioNaku vs Reina | 22–16 | 57.89% |
| RioNaku vs Law | 23–13 | 63.89% |
| RioNaku vs Jin | 21–11 | 65.62% |
| RioNaku vs Lili | 10–15 | 40.00% |
| RioNaku vs Paul | 13–11 | 54.17% |
| RioNaku vs Dragunov | 6–18 | 25.00% |
| RioNaku vs Bryan | 14–8 | 63.64% |
| RioNaku vs Azucena | 14–7 | 66.67% |
| RioNaku vs Asuka | 14–6 | 70.00% |
| RioNaku vs Claudio | 10–9 | 52.63% |
| RioNaku vs Yoshimitsu | 10–8 | 55.56% |
| RioNaku vs Alisa | 10–7 | 58.82% |
| RioNaku vs Jun | 6–11 | 35.29% |
| RioNaku vs Eddy | 9–8 | 52.94% |
| RioNaku vs Lidia | 7–8 | 46.67% |
| RioNaku vs Armor King | 7–6 | 53.85% |
| RioNaku vs Xiaoyu | 4–8 | 33.33% |
| RioNaku vs Jack-8 | 6–6 | 50.00% |
| RioNaku vs Feng | 7–5 | 58.33% |
| RioNaku vs Nina | 9–3 | 75.00% |
| RioNaku vs Victor | 9–3 | 75.00% |
| RioNaku vs Miary Zo | 8–2 | 80.00% |
| RioNaku vs Lars | 3–5 | 37.50% |
| RioNaku vs Devil Jin | 4–3 | 57.14% |
| RioNaku vs Kuma | 5–1 | 83.33% |
| RioNaku vs Leroy | 2–4 | 33.33% |
| RioNaku vs Raven | 6–0 | 100.00% |
| RioNaku vs Panda | 4–1 | 80.00% |
| RioNaku vs Shaheen | 1–3 | 25.00% |
| RioNaku vs Zafina | 3–1 | 75.00% |
| RioNaku vs Leo | 2–1 | 66.67% |
| RioNaku vs Fahkumram | 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.