| Sassen vs Law | 20–20 | 50.00% |
| Sassen vs King | 10–25 | 28.57% |
| Sassen vs Jin | 9–19 | 32.14% |
| Sassen vs Lars | 12–16 | 42.86% |
| Sassen vs Kazuya | 8–19 | 29.63% |
| Sassen vs Steve | 13–13 | 50.00% |
| Sassen vs Lili | 10–14 | 41.67% |
| Sassen vs Reina | 18–6 | 75.00% |
| Sassen vs Yoshimitsu | 16–6 | 72.73% |
| Sassen vs Heihachi | 12–8 | 60.00% |
| Sassen vs Eddy | 6–13 | 31.58% |
| Sassen vs Nina | 11–7 | 61.11% |
| Sassen vs Asuka | 10–6 | 62.50% |
| Sassen vs Bryan | 4–11 | 26.67% |
| Sassen vs Victor | 11–4 | 73.33% |
| Sassen vs Lee | 4–10 | 28.57% |
| Sassen vs Xiaoyu | 5–8 | 38.46% |
| Sassen vs Devil Jin | 7–5 | 58.33% |
| Sassen vs Jun | 5–7 | 41.67% |
| Sassen vs Leo | 7–3 | 70.00% |
| Sassen vs Azucena | 7–3 | 70.00% |
| Sassen vs Armor King | 7–3 | 70.00% |
| Sassen vs Raven | 1–8 | 11.11% |
| Sassen vs Clive | 6–3 | 66.67% |
| Sassen vs Fahkumram | 5–4 | 55.56% |
| Sassen vs Panda | 4–4 | 50.00% |
| Sassen vs Paul | 3–3 | 50.00% |
| Sassen vs Dragunov | 5–1 | 83.33% |
| Sassen vs Alisa | 3–3 | 50.00% |
| Sassen vs Kuma | 2–4 | 33.33% |
| Sassen vs Hwoarang | 2–3 | 40.00% |
| Sassen vs Jack-8 | 4–1 | 80.00% |
| Sassen vs Shaheen | 3–2 | 60.00% |
| Sassen vs Zafina | 4–1 | 80.00% |
| Sassen vs Lidia | 3–2 | 60.00% |
| Sassen vs Leroy | 2–1 | 66.67% |
| Sassen vs Feng | 0–2 | 0.00% |
| Sassen vs Claudio | 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.