| Cassandra vs Kazuya | 108–111 | 49.32% |
| Cassandra vs Jin | 107–76 | 58.47% |
| Cassandra vs King | 77–90 | 46.11% |
| Cassandra vs Bryan | 85–57 | 59.86% |
| Cassandra vs Heihachi | 57–62 | 47.90% |
| Cassandra vs Law | 43–68 | 38.74% |
| Cassandra vs Hwoarang | 58–51 | 53.21% |
| Cassandra vs Steve | 52–53–1 | 49.52% |
| Cassandra vs Reina | 48–54 | 47.06% |
| Cassandra vs Lili | 34–51 | 40.00% |
| Cassandra vs Paul | 40–44 | 47.62% |
| Cassandra vs Dragunov | 33–45 | 42.31% |
| Cassandra vs Clive | 34–41 | 45.33% |
| Cassandra vs Yoshimitsu | 31–42 | 42.47% |
| Cassandra vs Armor King | 38–30 | 55.88% |
| Cassandra vs Devil Jin | 33–34 | 49.25% |
| Cassandra vs Jun | 28–36 | 43.75% |
| Cassandra vs Eddy | 28–36 | 43.75% |
| Cassandra vs Fahkumram | 29–32 | 47.54% |
| Cassandra vs Nina | 28–31 | 47.46% |
| Cassandra vs Lee | 26–29 | 47.27% |
| Cassandra vs Asuka | 24–26 | 48.00% |
| Cassandra vs Victor | 25–25 | 50.00% |
| Cassandra vs Azucena | 19–30 | 38.78% |
| Cassandra vs Alisa | 17–30 | 36.17% |
| Cassandra vs Lars | 25–21 | 54.35% |
| Cassandra vs Lidia | 23–20 | 53.49% |
| Cassandra vs Xiaoyu | 15–24 | 38.46% |
| Cassandra vs Feng | 16–22 | 42.11% |
| Cassandra vs Leroy | 18–16 | 52.94% |
| Cassandra vs Jack-8 | 13–20 | 39.39% |
| Cassandra vs Anna | 8–17 | 32.00% |
| Cassandra vs Claudio | 9–12 | 42.86% |
| Cassandra vs Leo | 9–9 | 50.00% |
| Cassandra vs Miary Zo | 9–9 | 50.00% |
| Cassandra vs Raven | 6–10 | 37.50% |
| Cassandra vs Zafina | 9–5 | 64.29% |
| Cassandra vs Shaheen | 4–8 | 33.33% |
| Cassandra vs Kuma | 1–7 | 12.50% |
| Cassandra vs Panda | 1–2 | 33.33% |
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.