| Quass vs Kazuya | 82–49 | 62.60% |
| Quass vs Bryan | 51–30 | 62.96% |
| Quass vs Jin | 49–31 | 61.25% |
| Quass vs Dragunov | 45–32 | 58.44% |
| Quass vs King | 41–32 | 56.16% |
| Quass vs Reina | 43–28 | 60.56% |
| Quass vs Devil Jin | 18–30 | 37.50% |
| Quass vs Hwoarang | 30–17 | 63.83% |
| Quass vs Lili | 30–17 | 63.83% |
| Quass vs Lee | 21–23 | 47.73% |
| Quass vs Asuka | 29–13 | 69.05% |
| Quass vs Lars | 23–19 | 54.76% |
| Quass vs Heihachi | 23–13 | 63.89% |
| Quass vs Law | 18–16 | 52.94% |
| Quass vs Azucena | 22–12 | 64.71% |
| Quass vs Jun | 19–12 | 61.29% |
| Quass vs Xiaoyu | 18–12 | 60.00% |
| Quass vs Steve | 17–13 | 56.67% |
| Quass vs Claudio | 14–14 | 50.00% |
| Quass vs Fahkumram | 15–13 | 53.57% |
| Quass vs Lidia | 17–9 | 65.38% |
| Quass vs Paul | 9–16 | 36.00% |
| Quass vs Yoshimitsu | 17–8 | 68.00% |
| Quass vs Clive | 14–11 | 56.00% |
| Quass vs Armor King | 13–12 | 52.00% |
| Quass vs Shaheen | 11–13 | 45.83% |
| Quass vs Leo | 12–11 | 52.17% |
| Quass vs Victor | 11–12 | 47.83% |
| Quass vs Leroy | 9–10 | 47.37% |
| Quass vs Alisa | 12–6 | 66.67% |
| Quass vs Nina | 10–7 | 58.82% |
| Quass vs Eddy | 12–5 | 70.59% |
| Quass vs Miary Zo | 10–6 | 62.50% |
| Quass vs Jack-8 | 8–4 | 66.67% |
| Quass vs Anna | 7–5 | 58.33% |
| Quass vs Feng | 8–3 | 72.73% |
| Quass vs Kuma | 10–0 | 100.00% |
| Quass vs Raven | 3–6 | 33.33% |
| Quass vs Zafina | 4–3 | 57.14% |
| Quass vs Panda | 1–0 | 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.