| Isoito vs Jin | 159–142 | 52.82% |
| Isoito vs Kazuya | 157–131 | 54.51% |
| Isoito vs King | 138–125 | 52.47% |
| Isoito vs Reina | 134–90 | 59.82% |
| Isoito vs Bryan | 89–91 | 49.44% |
| Isoito vs Dragunov | 83–90 | 47.98% |
| Isoito vs Steve | 59–105 | 35.98% |
| Isoito vs Armor King | 87–69 | 55.77% |
| Isoito vs Lili | 60–69 | 46.51% |
| Isoito vs Law | 56–67 | 45.53% |
| Isoito vs Devil Jin | 44–73 | 37.61% |
| Isoito vs Asuka | 52–60 | 46.43% |
| Isoito vs Lidia | 46–66 | 41.07% |
| Isoito vs Hwoarang | 46–62 | 42.59% |
| Isoito vs Paul | 45–59 | 43.27% |
| Isoito vs Heihachi | 39–60 | 39.39% |
| Isoito vs Eddy | 38–56 | 40.43% |
| Isoito vs Azucena | 36–53 | 40.45% |
| Isoito vs Yoshimitsu | 32–55 | 36.78% |
| Isoito vs Lars | 35–48 | 42.17% |
| Isoito vs Jun | 30–48 | 38.46% |
| Isoito vs Clive | 47–28 | 62.67% |
| Isoito vs Xiaoyu | 30–42 | 41.67% |
| Isoito vs Feng | 30–41 | 42.25% |
| Isoito vs Lee | 34–36 | 48.57% |
| Isoito vs Leroy | 37–32 | 53.62% |
| Isoito vs Nina | 29–28 | 50.88% |
| Isoito vs Victor | 26–30 | 46.43% |
| Isoito vs Claudio | 23–25 | 47.92% |
| Isoito vs Leo | 18–28 | 39.13% |
| Isoito vs Zafina | 18–20 | 47.37% |
| Isoito vs Jack-8 | 9–22 | 29.03% |
| Isoito vs Alisa | 13–14 | 48.15% |
| Isoito vs Kuma | 10–16 | 38.46% |
| Isoito vs Anna | 6–15 | 28.57% |
| Isoito vs Raven | 9–11 | 45.00% |
| Isoito vs Panda | 7–11 | 38.89% |
| Isoito vs Miary Zo | 3–12 | 20.00% |
| Isoito vs Shaheen | 7–5 | 58.33% |
| Isoito vs Fahkumram | 2–10 | 16.67% |
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.