| Shinseii vs Jin | 50–44 | 53.19% |
| Shinseii vs Steve | 48–34 | 58.54% |
| Shinseii vs Dragunov | 48–22 | 68.57% |
| Shinseii vs King | 43–24 | 64.18% |
| Shinseii vs Bryan | 31–34 | 47.69% |
| Shinseii vs Lili | 36–15 | 70.59% |
| Shinseii vs Armor King | 23–25 | 47.92% |
| Shinseii vs Kazuya | 32–15 | 68.09% |
| Shinseii vs Jun | 24–18 | 57.14% |
| Shinseii vs Reina | 29–13 | 69.05% |
| Shinseii vs Law | 24–16 | 60.00% |
| Shinseii vs Devil Jin | 25–15 | 62.50% |
| Shinseii vs Asuka | 18–20 | 47.37% |
| Shinseii vs Clive | 16–12 | 57.14% |
| Shinseii vs Lars | 16–10 | 61.54% |
| Shinseii vs Victor | 19–7 | 73.08% |
| Shinseii vs Lee | 13–11 | 54.17% |
| Shinseii vs Fahkumram | 9–14 | 39.13% |
| Shinseii vs Hwoarang | 14–8 | 63.64% |
| Shinseii vs Leo | 10–12 | 45.45% |
| Shinseii vs Heihachi | 10–11 | 47.62% |
| Shinseii vs Yoshimitsu | 9–11 | 45.00% |
| Shinseii vs Alisa | 6–13 | 31.58% |
| Shinseii vs Eddy | 9–10 | 47.37% |
| Shinseii vs Lidia | 8–11 | 42.11% |
| Shinseii vs Paul | 7–10 | 41.18% |
| Shinseii vs Nina | 11–5 | 68.75% |
| Shinseii vs Anna | 7–8 | 46.67% |
| Shinseii vs Leroy | 4–10 | 28.57% |
| Shinseii vs Feng | 8–5 | 61.54% |
| Shinseii vs Xiaoyu | 7–3 | 70.00% |
| Shinseii vs Shaheen | 7–3 | 70.00% |
| Shinseii vs Azucena | 6–2 | 75.00% |
| Shinseii vs Claudio | 3–4 | 42.86% |
| Shinseii vs Raven | 4–3 | 57.14% |
| Shinseii vs Jack-8 | 3–1 | 75.00% |
| Shinseii vs Zafina | 2–2 | 50.00% |
| Shinseii vs Miary Zo | 2–1 | 66.67% |
| Shinseii vs Kuma | 2–0 | 100.00% |
| Shinseii vs Panda | 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.