| Shinpei Ajiro vs Kazuya | 105–115 | 47.73% |
| Shinpei Ajiro vs Jin | 89–98 | 47.59% |
| Shinpei Ajiro vs Reina | 95–91 | 51.08% |
| Shinpei Ajiro vs King | 85–95 | 47.22% |
| Shinpei Ajiro vs Bryan | 64–102 | 38.55% |
| Shinpei Ajiro vs Dragunov | 63–65 | 49.22% |
| Shinpei Ajiro vs Steve | 66–59–1 | 52.80% |
| Shinpei Ajiro vs Law | 63–58 | 52.07% |
| Shinpei Ajiro vs Yoshimitsu | 61–58 | 51.26% |
| Shinpei Ajiro vs Hwoarang | 59–59 | 50.00% |
| Shinpei Ajiro vs Eddy | 57–51 | 52.78% |
| Shinpei Ajiro vs Lidia | 63–43 | 59.43% |
| Shinpei Ajiro vs Heihachi | 48–56 | 46.15% |
| Shinpei Ajiro vs Jun | 53–41 | 56.38% |
| Shinpei Ajiro vs Lili | 49–40 | 55.06% |
| Shinpei Ajiro vs Lars | 37–50 | 42.53% |
| Shinpei Ajiro vs Nina | 46–40 | 53.49% |
| Shinpei Ajiro vs Paul | 31–53 | 36.90% |
| Shinpei Ajiro vs Feng | 46–35 | 56.79% |
| Shinpei Ajiro vs Azucena | 41–40 | 50.62% |
| Shinpei Ajiro vs Xiaoyu | 34–42 | 44.74% |
| Shinpei Ajiro vs Asuka | 40–34 | 54.05% |
| Shinpei Ajiro vs Lee | 33–39 | 45.83% |
| Shinpei Ajiro vs Victor | 35–36 | 49.30% |
| Shinpei Ajiro vs Alisa | 25–40 | 38.46% |
| Shinpei Ajiro vs Leroy | 28–35 | 44.44% |
| Shinpei Ajiro vs Jack-8 | 23–39 | 37.10% |
| Shinpei Ajiro vs Devil Jin | 21–40 | 34.43% |
| Shinpei Ajiro vs Leo | 31–29 | 51.67% |
| Shinpei Ajiro vs Clive | 24–26 | 48.00% |
| Shinpei Ajiro vs Raven | 13–30 | 30.23% |
| Shinpei Ajiro vs Kuma | 17–21 | 44.74% |
| Shinpei Ajiro vs Shaheen | 17–20 | 45.95% |
| Shinpei Ajiro vs Claudio | 17–15 | 53.12% |
| Shinpei Ajiro vs Zafina | 21–11 | 65.62% |
| Shinpei Ajiro vs Panda | 4–16 | 20.00% |
| Shinpei Ajiro vs Anna | 11–7 | 61.11% |
| Shinpei Ajiro vs Armor King | 4–1 | 80.00% |
| Shinpei Ajiro vs Fahkumram | 4–0 | 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.