| Quassano vs Heihachi | 16–18 | 47.06% |
| Quassano vs Bryan | 19–13 | 59.38% |
| Quassano vs King | 16–15 | 51.61% |
| Quassano vs Reina | 19–12 | 61.29% |
| Quassano vs Hwoarang | 14–15 | 48.28% |
| Quassano vs Yoshimitsu | 21–7 | 75.00% |
| Quassano vs Jin | 11–15 | 42.31% |
| Quassano vs Law | 15–10 | 60.00% |
| Quassano vs Lee | 10–15 | 40.00% |
| Quassano vs Lars | 13–10 | 56.52% |
| Quassano vs Eddy | 10–12 | 45.45% |
| Quassano vs Lili | 6–14 | 30.00% |
| Quassano vs Kazuya | 7–11 | 38.89% |
| Quassano vs Steve | 12–5 | 70.59% |
| Quassano vs Dragunov | 9–8 | 52.94% |
| Quassano vs Fahkumram | 5–12 | 29.41% |
| Quassano vs Feng | 6–10 | 37.50% |
| Quassano vs Asuka | 10–5 | 66.67% |
| Quassano vs Paul | 5–8 | 38.46% |
| Quassano vs Alisa | 8–5 | 61.54% |
| Quassano vs Jun | 6–5 | 54.55% |
| Quassano vs Lidia | 9–2 | 81.82% |
| Quassano vs Jack-8 | 8–2 | 80.00% |
| Quassano vs Claudio | 3–5 | 37.50% |
| Quassano vs Azucena | 3–5 | 37.50% |
| Quassano vs Leo | 1–6 | 14.29% |
| Quassano vs Victor | 2–5 | 28.57% |
| Quassano vs Raven | 4–3 | 57.14% |
| Quassano vs Shaheen | 3–3 | 50.00% |
| Quassano vs Kuma | 3–3 | 50.00% |
| Quassano vs Leroy | 5–1 | 83.33% |
| Quassano vs Clive | 2–3 | 40.00% |
| Quassano vs Armor King | 1–4 | 20.00% |
| Quassano vs Miary Zo | 3–2 | 60.00% |
| Quassano vs Xiaoyu | 2–2 | 50.00% |
| Quassano vs Devil Jin | 3–1 | 75.00% |
| Quassano vs Nina | 3–0 | 100.00% |
| Quassano vs Zafina | 2–0 | 100.00% |
| Quassano vs Anna | 0–2 | 0.00% |
| Quassano 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.