| Jonyboy91 vs Kazuya | 213–129 | 62.28% |
| Jonyboy91 vs Jin | 161–135 | 54.39% |
| Jonyboy91 vs Bryan | 149–119 | 55.60% |
| Jonyboy91 vs Reina | 147–91 | 61.76% |
| Jonyboy91 vs Hwoarang | 136–95 | 58.87% |
| Jonyboy91 vs Heihachi | 127–86 | 59.62% |
| Jonyboy91 vs Steve | 129–79 | 62.02% |
| Jonyboy91 vs King | 118–83 | 58.71% |
| Jonyboy91 vs Paul | 101–70 | 59.06% |
| Jonyboy91 vs Law | 100–68 | 59.52% |
| Jonyboy91 vs Devil Jin | 89–65 | 57.79% |
| Jonyboy91 vs Clive | 93–55 | 62.84% |
| Jonyboy91 vs Dragunov | 83–64 | 56.46% |
| Jonyboy91 vs Lili | 87–55 | 61.27% |
| Jonyboy91 vs Yoshimitsu | 81–57 | 58.70% |
| Jonyboy91 vs Feng | 52–69–1 | 42.98% |
| Jonyboy91 vs Lee | 67–53 | 55.83% |
| Jonyboy91 vs Asuka | 53–65 | 44.92% |
| Jonyboy91 vs Azucena | 62–44 | 58.49% |
| Jonyboy91 vs Nina | 62–41 | 60.19% |
| Jonyboy91 vs Jun | 69–34 | 66.99% |
| Jonyboy91 vs Victor | 46–47 | 49.46% |
| Jonyboy91 vs Lidia | 58–31 | 65.17% |
| Jonyboy91 vs Lars | 42–38 | 52.50% |
| Jonyboy91 vs Raven | 35–44 | 44.30% |
| Jonyboy91 vs Xiaoyu | 41–37 | 52.56% |
| Jonyboy91 vs Alisa | 45–32 | 58.44% |
| Jonyboy91 vs Eddy | 35–35 | 50.00% |
| Jonyboy91 vs Leroy | 25–37 | 40.32% |
| Jonyboy91 vs Claudio | 42–15 | 73.68% |
| Jonyboy91 vs Anna | 30–27 | 52.63% |
| Jonyboy91 vs Shaheen | 29–27 | 51.79% |
| Jonyboy91 vs Jack-8 | 33–21 | 61.11% |
| Jonyboy91 vs Zafina | 33–21 | 61.11% |
| Jonyboy91 vs Leo | 23–28 | 45.10% |
| Jonyboy91 vs Fahkumram | 30–19 | 61.22% |
| Jonyboy91 vs Armor King | 23–25 | 47.92% |
| Jonyboy91 vs Kuma | 25–15 | 62.50% |
| Jonyboy91 vs Miary Zo | 10–8 | 55.56% |
| Jonyboy91 vs Panda | 6–10 | 37.50% |
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.