| Riddar-Klas vs Reina | 15–7 | 68.18% |
| Riddar-Klas vs Steve | 15–6 | 71.43% |
| Riddar-Klas vs Kazuya | 9–10 | 47.37% |
| Riddar-Klas vs Hwoarang | 13–5 | 72.22% |
| Riddar-Klas vs Jun | 8–10 | 44.44% |
| Riddar-Klas vs King | 8–9 | 47.06% |
| Riddar-Klas vs Heihachi | 10–6 | 62.50% |
| Riddar-Klas vs Jin | 10–5 | 66.67% |
| Riddar-Klas vs Bryan | 5–5 | 50.00% |
| Riddar-Klas vs Fahkumram | 2–8 | 20.00% |
| Riddar-Klas vs Xiaoyu | 7–2 | 77.78% |
| Riddar-Klas vs Nina | 4–5 | 44.44% |
| Riddar-Klas vs Azucena | 4–5 | 44.44% |
| Riddar-Klas vs Law | 2–6 | 25.00% |
| Riddar-Klas vs Asuka | 3–5 | 37.50% |
| Riddar-Klas vs Paul | 2–4 | 33.33% |
| Riddar-Klas vs Yoshimitsu | 5–1 | 83.33% |
| Riddar-Klas vs Lili | 1–5 | 16.67% |
| Riddar-Klas vs Devil Jin | 0–5 | 0.00% |
| Riddar-Klas vs Feng | 0–5 | 0.00% |
| Riddar-Klas vs Lars | 4–1 | 80.00% |
| Riddar-Klas vs Alisa | 3–2 | 60.00% |
| Riddar-Klas vs Victor | 3–2 | 60.00% |
| Riddar-Klas vs Eddy | 3–2 | 60.00% |
| Riddar-Klas vs Jack-8 | 2–2 | 50.00% |
| Riddar-Klas vs Claudio | 3–1 | 75.00% |
| Riddar-Klas vs Lee | 3–1 | 75.00% |
| Riddar-Klas vs Dragunov | 0–3 | 0.00% |
| Riddar-Klas vs Zafina | 1–2 | 33.33% |
| Riddar-Klas vs Miary Zo | 0–3 | 0.00% |
| Riddar-Klas vs Leo | 0–2 | 0.00% |
| Riddar-Klas vs Shaheen | 2–0 | 100.00% |
| Riddar-Klas vs Clive | 0–2 | 0.00% |
| Riddar-Klas vs Panda | 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.