| Ducu vs Kazuya | 167–183–1 | 47.71% |
| Ducu vs Jin | 160–158 | 50.31% |
| Ducu vs King | 131–147 | 47.12% |
| Ducu vs Bryan | 113–148 | 43.30% |
| Ducu vs Hwoarang | 100–127 | 44.05% |
| Ducu vs Reina | 101–121 | 45.50% |
| Ducu vs Heihachi | 88–106 | 45.36% |
| Ducu vs Dragunov | 82–80 | 50.62% |
| Ducu vs Law | 60–98 | 37.97% |
| Ducu vs Lili | 77–78 | 49.68% |
| Ducu vs Steve | 63–80 | 44.06% |
| Ducu vs Yoshimitsu | 64–78 | 45.07% |
| Ducu vs Paul | 62–65 | 48.82% |
| Ducu vs Devil Jin | 60–67 | 47.24% |
| Ducu vs Nina | 49–68 | 41.88% |
| Ducu vs Jun | 58–58 | 50.00% |
| Ducu vs Lidia | 57–56 | 50.44% |
| Ducu vs Lars | 54–54 | 50.00% |
| Ducu vs Lee | 50–48 | 51.02% |
| Ducu vs Fahkumram | 37–50 | 42.53% |
| Ducu vs Victor | 32–44 | 42.11% |
| Ducu vs Alisa | 40–34 | 54.05% |
| Ducu vs Asuka | 40–32 | 55.56% |
| Ducu vs Eddy | 38–34 | 52.78% |
| Ducu vs Azucena | 34–35 | 49.28% |
| Ducu vs Raven | 27–38 | 41.54% |
| Ducu vs Jack-8 | 34–30 | 53.12% |
| Ducu vs Xiaoyu | 36–25 | 59.02% |
| Ducu vs Feng | 25–36 | 40.98% |
| Ducu vs Clive | 24–33 | 42.11% |
| Ducu vs Anna | 25–30 | 45.45% |
| Ducu vs Leroy | 23–30 | 43.40% |
| Ducu vs Leo | 23–16 | 58.97% |
| Ducu vs Shaheen | 7–23 | 23.33% |
| Ducu vs Claudio | 16–8 | 66.67% |
| Ducu vs Kuma | 9–14 | 39.13% |
| Ducu vs Zafina | 11–10 | 52.38% |
| Ducu vs Panda | 5–9 | 35.71% |
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.