| RJT | Ducka vs Bryan | 36–15 | 70.59% |
| RJT | Ducka vs Kazuya | 30–20 | 60.00% |
| RJT | Ducka vs Miary Zo | 36–11 | 76.60% |
| RJT | Ducka vs Reina | 21–20 | 51.22% |
| RJT | Ducka vs Steve | 30–10 | 75.00% |
| RJT | Ducka vs King | 30–7 | 81.08% |
| RJT | Ducka vs Hwoarang | 21–13 | 61.76% |
| RJT | Ducka vs Jin | 18–15 | 54.55% |
| RJT | Ducka vs Asuka | 22–11 | 66.67% |
| RJT | Ducka vs Law | 14–15 | 48.28% |
| RJT | Ducka vs Lili | 18–9 | 66.67% |
| RJT | Ducka vs Feng | 18–8 | 69.23% |
| RJT | Ducka vs Xiaoyu | 13–12 | 52.00% |
| RJT | Ducka vs Yoshimitsu | 18–6 | 75.00% |
| RJT | Ducka vs Dragunov | 11–13 | 45.83% |
| RJT | Ducka vs Heihachi | 17–5 | 77.27% |
| RJT | Ducka vs Alisa | 14–4 | 77.78% |
| RJT | Ducka vs Zafina | 12–6 | 66.67% |
| RJT | Ducka vs Lidia | 15–3 | 83.33% |
| RJT | Ducka vs Clive | 16–2 | 88.89% |
| RJT | Ducka vs Anna | 13–5 | 72.22% |
| RJT | Ducka vs Lars | 9–7 | 56.25% |
| RJT | Ducka vs Leroy | 8–7 | 53.33% |
| RJT | Ducka vs Devil Jin | 10–4 | 71.43% |
| RJT | Ducka vs Nina | 10–3 | 76.92% |
| RJT | Ducka vs Lee | 8–4 | 66.67% |
| RJT | Ducka vs Armor King | 10–2 | 83.33% |
| RJT | Ducka vs Paul | 4–7 | 36.36% |
| RJT | Ducka vs Jack-8 | 11–0 | 100.00% |
| RJT | Ducka vs Azucena | 4–7 | 36.36% |
| RJT | Ducka vs Victor | 9–2 | 81.82% |
| RJT | Ducka vs Raven | 5–6 | 45.45% |
| RJT | Ducka vs Jun | 6–4 | 60.00% |
| RJT | Ducka vs Eddy | 5–3 | 62.50% |
| RJT | Ducka vs Fahkumram | 3–4 | 42.86% |
| RJT | Ducka vs Claudio | 4–1 | 80.00% |
| RJT | Ducka vs Panda | 2–3 | 40.00% |
| RJT | Ducka vs Kuma | 2–2 | 50.00% |
| RJT | Ducka vs Leo | 3–0 | 100.00% |
| RJT | Ducka vs Shaheen | 2–1 | 66.67% |
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.