| Jeppoy vs King | 204–226 | 47.44% |
| Jeppoy vs Jin | 205–219 | 48.35% |
| Jeppoy vs Kazuya | 178–233 | 43.31% |
| Jeppoy vs Steve | 154–222 | 40.96% |
| Jeppoy vs Bryan | 104–197 | 34.55% |
| Jeppoy vs Hwoarang | 123–130 | 48.62% |
| Jeppoy vs Dragunov | 113–124–1 | 47.68% |
| Jeppoy vs Law | 105–109 | 49.07% |
| Jeppoy vs Reina | 79–110 | 41.80% |
| Jeppoy vs Lili | 79–106 | 42.70% |
| Jeppoy vs Eddy | 67–100 | 40.12% |
| Jeppoy vs Paul | 60–101 | 37.27% |
| Jeppoy vs Yoshimitsu | 64–86 | 42.67% |
| Jeppoy vs Lee | 61–84 | 42.07% |
| Jeppoy vs Lars | 55–64 | 46.22% |
| Jeppoy vs Victor | 46–73 | 38.66% |
| Jeppoy vs Devil Jin | 43–69 | 38.39% |
| Jeppoy vs Alisa | 48–57 | 45.71% |
| Jeppoy vs Jun | 61–41 | 59.80% |
| Jeppoy vs Feng | 34–62 | 35.42% |
| Jeppoy vs Heihachi | 41–54 | 43.16% |
| Jeppoy vs Azucena | 48–44 | 52.17% |
| Jeppoy vs Armor King | 42–50 | 45.65% |
| Jeppoy vs Asuka | 42–49 | 46.15% |
| Jeppoy vs Xiaoyu | 40–44 | 47.62% |
| Jeppoy vs Nina | 31–46 | 40.26% |
| Jeppoy vs Leo | 28–47 | 37.33% |
| Jeppoy vs Raven | 30–39 | 43.48% |
| Jeppoy vs Jack-8 | 22–46 | 32.35% |
| Jeppoy vs Claudio | 18–50 | 26.47% |
| Jeppoy vs Kuma | 19–29 | 39.58% |
| Jeppoy vs Leroy | 17–25 | 40.48% |
| Jeppoy vs Clive | 13–27 | 32.50% |
| Jeppoy vs Miary Zo | 17–20 | 45.95% |
| Jeppoy vs Shaheen | 9–24 | 27.27% |
| Jeppoy vs Lidia | 17–15 | 53.12% |
| Jeppoy vs Fahkumram | 10–14 | 41.67% |
| Jeppoy vs Zafina | 9–9 | 50.00% |
| Jeppoy vs Anna | 9–9 | 50.00% |
| Jeppoy vs Panda | 3–4 | 42.86% |
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.