| Shinseii vs Jin | 57–52 | 52.29% |
| Shinseii vs Steve | 54–38 | 58.70% |
| Shinseii vs Dragunov | 55–29 | 65.48% |
| Shinseii vs Kazuya | 43–32 | 57.33% |
| Shinseii vs King | 43–25 | 63.24% |
| Shinseii vs Bryan | 32–36 | 47.06% |
| Shinseii vs Lili | 46–22 | 67.65% |
| Shinseii vs Law | 33–27 | 55.00% |
| Shinseii vs Armor King | 25–29 | 46.30% |
| Shinseii vs Reina | 33–17 | 66.00% |
| Shinseii vs Jun | 27–21 | 56.25% |
| Shinseii vs Asuka | 23–21 | 52.27% |
| Shinseii vs Devil Jin | 29–15 | 65.91% |
| Shinseii vs Lars | 20–15 | 57.14% |
| Shinseii vs Clive | 19–14 | 57.58% |
| Shinseii vs Lee | 18–13 | 58.06% |
| Shinseii vs Victor | 22–9 | 70.97% |
| Shinseii vs Hwoarang | 18–11 | 62.07% |
| Shinseii vs Fahkumram | 12–15 | 44.44% |
| Shinseii vs Heihachi | 14–12 | 53.85% |
| Shinseii vs Paul | 13–12 | 52.00% |
| Shinseii vs Yoshimitsu | 11–14 | 44.00% |
| Shinseii vs Lidia | 12–11 | 52.17% |
| Shinseii vs Leo | 10–12 | 45.45% |
| Shinseii vs Alisa | 8–13 | 38.10% |
| Shinseii vs Anna | 9–12 | 42.86% |
| Shinseii vs Nina | 13–7 | 65.00% |
| Shinseii vs Eddy | 10–10 | 50.00% |
| Shinseii vs Xiaoyu | 9–7 | 56.25% |
| Shinseii vs Feng | 10–5 | 66.67% |
| Shinseii vs Leroy | 5–10 | 33.33% |
| Shinseii vs Azucena | 7–7 | 50.00% |
| Shinseii vs Claudio | 5–7 | 41.67% |
| Shinseii vs Shaheen | 7–3 | 70.00% |
| Shinseii vs Raven | 4–5 | 44.44% |
| Shinseii vs Miary Zo | 6–2 | 75.00% |
| Shinseii vs Jack-8 | 4–3 | 57.14% |
| Shinseii vs Kuma | 2–3 | 40.00% |
| Shinseii vs Panda | 2–3 | 40.00% |
| Shinseii vs Zafina | 2–2 | 50.00% |
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.