| Quack vs Kazuya | 50–13 | 79.37% |
| Quack vs Jin | 41–19 | 68.33% |
| Quack vs King | 29–15 | 65.91% |
| Quack vs Dragunov | 26–18 | 59.09% |
| Quack vs Steve | 27–14 | 65.85% |
| Quack vs Lars | 26–15 | 63.41% |
| Quack vs Reina | 32–9 | 78.05% |
| Quack vs Paul | 28–11 | 71.79% |
| Quack vs Law | 27–8 | 77.14% |
| Quack vs Bryan | 24–11 | 68.57% |
| Quack vs Devil Jin | 21–9 | 70.00% |
| Quack vs Victor | 20–9–1 | 68.97% |
| Quack vs Hwoarang | 14–13 | 51.85% |
| Quack vs Asuka | 15–12 | 55.56% |
| Quack vs Leo | 13–14 | 48.15% |
| Quack vs Jun | 24–3 | 88.89% |
| Quack vs Heihachi | 14–11 | 56.00% |
| Quack vs Lili | 16–8 | 66.67% |
| Quack vs Xiaoyu | 18–5 | 78.26% |
| Quack vs Yoshimitsu | 14–8 | 63.64% |
| Quack vs Alisa | 10–10 | 50.00% |
| Quack vs Nina | 14–5 | 73.68% |
| Quack vs Claudio | 9–8 | 52.94% |
| Quack vs Jack-8 | 6–9 | 40.00% |
| Quack vs Eddy | 9–6 | 60.00% |
| Quack vs Anna | 10–5 | 66.67% |
| Quack vs Armor King | 9–6 | 60.00% |
| Quack vs Feng | 9–5 | 64.29% |
| Quack vs Azucena | 9–5 | 64.29% |
| Quack vs Raven | 7–7 | 50.00% |
| Quack vs Lidia | 7–6 | 53.85% |
| Quack vs Shaheen | 6–6 | 50.00% |
| Quack vs Leroy | 9–3 | 75.00% |
| Quack vs Lee | 7–1 | 87.50% |
| Quack vs Kuma | 4–3 | 57.14% |
| Quack vs Clive | 3–2 | 60.00% |
| Quack vs Fahkumram | 3–2 | 60.00% |
| Quack vs Zafina | 0–4 | 0.00% |
| Quack vs Panda | 1–2 | 33.33% |
| Quack vs Miary Zo | 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.