| Yoichi vs Kazuya | 410–391 | 51.19% |
| Yoichi vs Jin | 262–286 | 47.81% |
| Yoichi vs Bryan | 250–265 | 48.54% |
| Yoichi vs King | 236–272 | 46.46% |
| Yoichi vs Reina | 238–227 | 51.18% |
| Yoichi vs Paul | 169–205 | 45.19% |
| Yoichi vs Hwoarang | 154–196 | 44.00% |
| Yoichi vs Steve | 164–171 | 48.96% |
| Yoichi vs Yoshimitsu | 172–156 | 52.44% |
| Yoichi vs Law | 137–189 | 42.02% |
| Yoichi vs Dragunov | 176–148 | 54.32% |
| Yoichi vs Heihachi | 157–161 | 49.37% |
| Yoichi vs Lee | 119–151 | 44.07% |
| Yoichi vs Lili | 108–112 | 49.09% |
| Yoichi vs Devil Jin | 103–106 | 49.28% |
| Yoichi vs Jun | 101–108 | 48.33% |
| Yoichi vs Azucena | 119–82 | 59.20% |
| Yoichi vs Asuka | 102–95 | 51.78% |
| Yoichi vs Xiaoyu | 72–107 | 40.22% |
| Yoichi vs Lars | 68–90 | 43.04% |
| Yoichi vs Feng | 80–76 | 51.28% |
| Yoichi vs Nina | 88–68 | 56.41% |
| Yoichi vs Alisa | 80–75 | 51.61% |
| Yoichi vs Armor King | 67–77 | 46.53% |
| Yoichi vs Victor | 88–53 | 62.41% |
| Yoichi vs Eddy | 68–71 | 48.92% |
| Yoichi vs Lidia | 65–67 | 49.24% |
| Yoichi vs Clive | 61–54 | 53.04% |
| Yoichi vs Claudio | 60–51 | 54.05% |
| Yoichi vs Raven | 41–68 | 37.61% |
| Yoichi vs Leroy | 52–49 | 51.49% |
| Yoichi vs Leo | 41–57 | 41.84% |
| Yoichi vs Anna | 45–50 | 47.37% |
| Yoichi vs Jack-8 | 43–48 | 47.25% |
| Yoichi vs Fahkumram | 39–37 | 51.32% |
| Yoichi vs Zafina | 31–35 | 46.97% |
| Yoichi vs Shaheen | 29–23 | 55.77% |
| Yoichi vs Kuma | 23–29 | 44.23% |
| Yoichi vs Miary Zo | 14–19 | 42.42% |
| Yoichi vs Panda | 8–13 | 38.10% |
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.