| Oy, Ippo-kun vs Kazuya | 400–318 | 55.71% |
| Oy, Ippo-kun vs Heihachi | 263–208 | 55.84% |
| Oy, Ippo-kun vs Jin | 254–206 | 55.22% |
| Oy, Ippo-kun vs Bryan | 247–203 | 54.89% |
| Oy, Ippo-kun vs Reina | 241–169 | 58.78% |
| Oy, Ippo-kun vs King | 226–179 | 55.80% |
| Oy, Ippo-kun vs Steve | 164–118 | 58.16% |
| Oy, Ippo-kun vs Hwoarang | 154–127 | 54.80% |
| Oy, Ippo-kun vs Lili | 150–110 | 57.69% |
| Oy, Ippo-kun vs Paul | 144–109 | 56.92% |
| Oy, Ippo-kun vs Devil Jin | 133–104 | 56.12% |
| Oy, Ippo-kun vs Law | 120–114 | 51.28% |
| Oy, Ippo-kun vs Dragunov | 105–128 | 45.06% |
| Oy, Ippo-kun vs Clive | 112–121 | 48.07% |
| Oy, Ippo-kun vs Yoshimitsu | 109–114 | 48.88% |
| Oy, Ippo-kun vs Lee | 91–122 | 42.72% |
| Oy, Ippo-kun vs Jun | 90–84 | 51.72% |
| Oy, Ippo-kun vs Lidia | 94–79 | 54.34% |
| Oy, Ippo-kun vs Xiaoyu | 84–67 | 55.63% |
| Oy, Ippo-kun vs Feng | 76–74 | 50.67% |
| Oy, Ippo-kun vs Lars | 59–74 | 44.36% |
| Oy, Ippo-kun vs Nina | 62–66 | 48.44% |
| Oy, Ippo-kun vs Armor King | 70–57 | 55.12% |
| Oy, Ippo-kun vs Victor | 70–54 | 56.45% |
| Oy, Ippo-kun vs Asuka | 64–58 | 52.46% |
| Oy, Ippo-kun vs Azucena | 55–55 | 50.00% |
| Oy, Ippo-kun vs Claudio | 58–51 | 53.21% |
| Oy, Ippo-kun vs Eddy | 50–54 | 48.08% |
| Oy, Ippo-kun vs Anna | 56–45 | 55.45% |
| Oy, Ippo-kun vs Leo | 53–44 | 54.64% |
| Oy, Ippo-kun vs Jack-8 | 36–53 | 40.45% |
| Oy, Ippo-kun vs Alisa | 30–46 | 39.47% |
| Oy, Ippo-kun vs Raven | 44–32 | 57.89% |
| Oy, Ippo-kun vs Leroy | 34–39 | 46.58% |
| Oy, Ippo-kun vs Fahkumram | 39–20 | 66.10% |
| Oy, Ippo-kun vs Shaheen | 23–33 | 41.07% |
| Oy, Ippo-kun vs Kuma | 23–22 | 51.11% |
| Oy, Ippo-kun vs Zafina | 22–23 | 48.89% |
| Oy, Ippo-kun vs Miary Zo | 20–23 | 46.51% |
| Oy, Ippo-kun vs Panda | 13–12 | 52.00% |
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.